Bitmain CEO Jihan Wu Made A 2020 Bitcoin Halving Warning

The attempted come back of CoinEx, China's forked-Bitcoin exchange

The attempted come back of CoinEx, China's forked-Bitcoin exchange
Written by Shuyao Kong
Published by decrypt.co
An interview with Haipo Yang, a crypto OG who’s trying to reposition his Bitcoin Cash-based CoinEx exchange. And more, in this week’s da bing.
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Haipo Yang, founder of ViaBTC, one of the largest mining pools in the world, and CoinEx, a crypto exchange known for its focus on Bitcoin Cash-based trading, is a well-known but relatively quiet character in China’s crypto circle. Typically, Yang doesn’t talk that much about his journey launching the mining pool, nor about CoinEx, which launched in December 2017.
And he almost never speaks about his fervent support for BCH, a hard fork of Bitcoin, and his now even more enthusiastic belief in BSV.
Yet that’s changing of late. Yang has been more active in recent months, participating in interviews about CoinEx and tweeting more frequently on Weibo, China’s Twitter. He’s been making controversial statements predicting the death of BTC, while supporting BCH and BSV on social media.
Recently, Yang told me that as a developer rather than a business person, he’s never been comfortable speaking in public. However he’s making an effort now to help publicize his renovation of CoinEx. So, for this week’s da bing, I decided to chat with him and get a peek into the mind of a veteran crypto entrepreneur who’s trying to make a personal, as well as a platform, comeback.

CoinEx’s golden opportunity

The first hard fork of Bitcoin occurred in August, 2017 and created a new cryptocurrency called Bitcoin Cash. The fork was prompted by partisans, including Yang, who wanted bigger block sizes on the blockchain — the basic idea was that bigger blocks would enable more transactions per second and make Bitcoin Cash something people would actually use to buy things, rather than Bitcoin’s more commonly perceived use as a store of value.
Yang added a tremendous amount of value to the mining scene in China. As a technical founder with has years of experience in big tech firms such as Tencent, Yang is proud of his #buidl skills. He developed most of the code in the early days of VicBTC, which became one of the biggest mining pools to this day.
Not satisfied with owning just a mining pool,Yang conceived of CoinEx, which was born in December of that year, specifically to carry on the mission of the newly forked Bitcoin Cash blockchain. As he got swept up in Bitcoin Cash enthusiasm, he even said that “BCH is bitcoin.”
CoinEx’s strategy was BCH-focused from day one; BCH was its base currency, meaning you could use it to buy and sell other currencies, such as Ethereum and Litecoin.
Interestingly, Jihan Wu, the co-founder of Bitcoin Exchange — himself a famous BCH supporter — was a big investor in the exchange. That made me wonder why he, Yang, and many other OG crypto miners, were so passionate about BCH. Was it just about bigger block sizes?
“Bigger block size means more users and use cases,” Yang explained. The move to bigger block sizes was attractive to miners because they would facilitate more transactions. Miners make money on transaction fees, as well as mining blocks. Likewise, the network would arguably be more useful to people, who were looking for digital cash for every day use.
That especially resonated with many early hardcore Bitcoiners. Said Yang: “We really believe that Bitcoin should be a P2P cash vehicle rather than a store of value.”
This view probably sounds outdated to people who believe that Bitcoin’s value as cash is long gone, with solutions such as Lightning Network fulfilling that role. Instead, the new narrative for Bitcoin resides in its value, rather than utility. Yet Yang believed that the forked network would create far more opportunity
“We could invite influential companies to establish nodes and contribute to the network. This cannot be done with the original Bitcoin architecture,” he said.

CoinEx pivots

But from its inception, CoinEx struggled with adoption and was dwarfed by the bigger exchanges. Part of that had to do with the fact that BCH and “Bitcoin Satoshi’s Vision,” another Bitcoin hard fork, were both controversial. Critics pointed out that these networks are centralized in a few big mining pools, and 51% attacks are not out of the question.
So over time, though Yang’s exchange still maintains strong support for BCH and BSV, it began to add support for all the major currencies.
Finally, in January of this year, it announced a major upgrade, of… well, just about everything. It started to offer futures trading, leveraged trading, options trading, and over 100 token projects available to traders. It even rolled out its own blockchain, “CoinEx Chain” to support a new DEX, “CoinEx DEX.”
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The seemingly sudden publicity of CoinEx should not come as a surprise, then. As BCH/BSV was being marginalized, Yang shifted his focus. He’s now trying to ride the wave of building a bigger, more dynamic exchange.
“Crypto exchanges are where value is discovered,” Yang told me.

CoinEx: TNG

Building an exchange isn’t done overnight, nor is re-building one. CoinEx is still competing with the giants such as Binance.
However Yang thinks his exchange will thrive by zigging when his competitors zag. As usual, CoinEx is taking a slightly different route, he told me.
Like what? “We will be listing 小币种,” he said, using the expression for “small token projects.” I cannot help but wonder if these “small token projects” are simply shitcoins, the trading of which is certainly not new.
Indeed, Yang said that he’s banking on the success of his new, public blockchain. “We are building a CoinEx Chain, a layer one protocol for DEX alone. Using our public blockchain, anyone can issue any token, at any time,” he said. He described the blockchain as “a real decentralized, token-issuance and transaction platform.”
This is the core of Yang’s plan and vision. He believes that centralized exchanges will be a bottleneck for crypto adoption because it contradicts crypto’s nature as a completely free and open infrastructure. Essentially anyone should be able to launch a token and trade it with anyone. Only by building DEXes can we achieve full decentralization, he says.

The Religious nature of Bitcoin, and forked Bitcoin

It’s his belief that Bitcoin should adhere to Satoshi’s original vision that led Yang to send yet another controversial tweet last week, which I will translate: “The early days of Bitcoin expansion are similar to religion. The religious fervor brings prosperity to the industry.”
By extension, Yang believes that the next generation of Bitcoin should provoke a similar “religious” fervor. That’s why he has slowly become more of a BSV advocate than a fan of Bitcoin Cash. Yang believes that “BSV has more religious connotations, despite its negative image.” (As most crypto people know, the controversial Craig Wright, who claims to be Satoshi Nakamoto, led the hard fork which created BSV. Consequently it is often met with skepticism and derision.)
“The early days of Bitcoin expansion are similar to religion,” said Yang. “The religious fervor brings prosperity to the industry.”
Crypto is famous for its tribalism. Many people choose one camp over another not for practical reasons but because of simple faith. Talking to Yang and reading his tweet brings a historic texture to the Bitcoin narrative. But crypto cannot survive on religion alone. One has to build. Hash might have been worshipped in the old days but now the crypto religion is all about the size of the congregation.
Original article
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TokenClub Bi-Weekly Report — Issue 116(6.1–6.14)

TokenClub Bi-Weekly Report — Issue 116(6.1–6.14)

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Hello everyone, thank you for your continued interest and support. In the past two weeks, various tasks of TokenClub have been progressing steadily. The product development and community operation progress this week are as follows:
1. TokenClub Events
1)TokenClub’s 2nd Token Circle Talent Show starts registration
The second 2nd Token Circle Talent Show is coming, providing you with a big stage that you want to show yourself in the coin circle. 500,000 people will watch your performances here. This event takes part in the form of registration, and enters the selection competition after passing the preliminary screening of TokenClub. The trial will be promoted in the form of live PK. Winners will receive key support from TokenClub, self-media matrix, help create personal exclusive boutique columns, get the chance to talk with more heavyweight guests, and there will be TCT awards waiting for you! Friends, sign up now.


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2)June 1 activity ended successfully
On the advent of “June 1”, the TokenClub team opened a new welfare activity for overseas communities. During the event, follow the team’s official Twitter and forward the event poster in real time, or participate in the topic interaction of the Telegram group to receive private red envelope rewards


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3)BTCGrandpa is invited to participate in the live broadcast of Golden Finance
On June 3rd, Grandma Coin was invited to participate in the live broadcast of Golden Finance’s “Mining Double Coins” theme. Review link:
https://m.jinse.com/live/topic?id=14268.

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4)BTCGrandpa was invited to participate in the 499 Block community AMA
On June 11, Grandpa Nina was invited to participate in the 499Block community AMA. The theme is “Coin Circle Big V Coin Grandpa takes you to see the market”, the article review link:
https://mp.weixin.qq.com/s/qCnwuaohiwi4BXcbRSJ1gw


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2.TokenClub Live
1) Summary
Recently, Jianan Technology Senior Vice President Lu Xiaoming, OKEx CEO-Jay Hao, Founder of Litecoin Charlie Lee, Binance Vice President Lu Mai, Bitribe Founder-SKY, Luyin Agreement Founder-Wang Dong, Kubi CEO-Johnny Lyu , Co-Founder of BTW.com-Dylan, MYKEY & Coin Hu founder Guru, suterusu investor & Betterbit founder Richard, CasperLabs CEO-Mrinal Manohar, CasperLabs COO- Cliff Sarkin, DoraHacks partner & business leader-Yue Hanchao, former Silicon Valley Engineer & Early Blockchain User-Wu Weilong, Distributed Capital Partner and General Counsel Sun Ming, Ontology Founder Li Jun, Cardano Project Founder Charles Hoskinson, QuarkChain Founding Partner Anthurine, ARPA Co-Founder & Chief Growth Officials-Nogi, the well-known KOL Ke Haoran of the currency circle, the “Ancient” old leek who loves trading, One.Love, the early investor of Bicc & the founder of CC Capital & the co-founder of the three o’clock blockchain community Wang Xiaobin, Binance Angel Steven, Binance Angel Wu Mi, Binance Angel July, Injective Protocol Co-Founder and CEO-Eric Chen, BN Capital Senior Partner-Wayne Lin, and TokenClub Blockchain and Cryptocurrency Investment Strategy Senior Expert-Zao Shen Chat with everyone Those things of the blockchain~
On June 1, the global blockchain live festival “Stay Live, Stay Young”-Bitribe +499BLOCK hosted by 499Block and Bitribe was childlike and childlike, celebrating June 1st. A total of 18 industry heavyweights, Jay Hao, Charlie Lee, Mai Lu, SKY, etc., and many industry leading exchanges such as Binance, OKEx, Matcha, Kucoin, Bitribe, BTW, etc. were invited to participate in the live broadcast festival Including Luyin agreement, Harmony, Cortex, Beam, Wedifi, etc., the continuous airdrop of up to 6BTC.

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On June 1st, CasperLabs CEO-Mrinal Manohar, CasperLabs COO- Cliff Sarkin, DoraHacks partner & business leader-Yue Hanchao, former Silicon Valley engineer & early blockchain user-Wu Weilong was a guest at the TokenClub live room, sharing the theme: Ethereum 3.0: Casper Labs, a Silicon Valley star project, takes us to interpret Casper Labs together.

On June 1, Binance Luna talked to Lu Xiaoming, senior vice president of Jianan Technology, and talked to us about the mine. Lu Xiaoming believes that blockchain has played a huge role in breaking the “data island” and other aspects, and he has confidence in the future of the industry. Just like the sentence he gave to everyone: “We still believe firmly, still believe, of course ,we still love you!”

On June 2nd, Binance Yingge talked to the founder of MYKEY & Coin Hu. Around: “Is Stablecoin a killer application?” Speaking from the beginning of the coin circle to the first pot of gold to the establishment of MYKEY, Guru and shared with us the secrets of grasping so many value projects, investment experience, etc., and stability The key analysis was carried out.

On June 3, Binance Sis talked with Sun Ming, Partner and General Counsel of Distributed Capital-”Sun Ming, Partner of Distributed Capital: The past of the currency circle of a lawyer.” Sun Ming is more optimistic about Ethereum than Bitcoin. Sun Ming believes that the easiest way to invest is to choose the most important project in the main track.

On June 4, Charles Hoskinson, the founder of Cointelegraph Chinese and the Cardano project, gave a live broadcast and shared an in-depth discussion around the topic of “How to Cardano surpass Ethereum after five years of precipitation.” Charles Hoskinson, who was a close working partner with V God and BM, why did he leave Bitshares and Ethereum to create the Cardano project? There is an answer in the live room.

On June 4, Binance Li Jiayi talked with Ontology founder Li Jun-”Ontology founder’s blockchain entrepreneurial experience”. For the future of the public chain, Li Jun believes that in the past two years of infrastructure construction, the public chain has paid more attention to technology. However, in the process of open source in the blockchain industry, technical homogeneity is gradually emerging. In the next stage, the public chain will pay more attention to the application of landing entities and offline scenarios, and new focus will appear, which is a good thing for the development of the public chain.

On June 5, Binance Seven Seven talked to Binance Captains-Hard Candy, He Rensi, Deer Deer Captain, and three post-90s Binance Captains. Focusing on the topic of “Binan Captain chatting about “Cloud Stall” earning “after-sleep income”, I talked about how the entire currency circle has been following the wind in recent days, to see how the Captain Binance is lying and making money.

On June 6, the post-modernist economist hard-core punkist master, Zao Shen, went online, with the theme of “street stalls in the city management area, and speculation of coins out of heaven.” “Street economy” has become the most popular word recently. In this issue, Zao Shen takes everyone to analyze: behind the promotion of the land stall economy, what are the trends and choices in national policies? And analyzed the recent stock market, currency circle, and international policies.

On June 8th, Binance Luna talked to Anthurine, the founding partner of QuarkChain, focusing on the “challenges and opportunities of blockchain in the “new infrastructure””. Anthurine is interested in the development of China’s new infrastructure and the blockchain industry in the new infrastructure In order to play its role, how to participate, and the new infrastructure you think they need the underlying architecture of the blockchain and other issues have been shared in detail.

On June 9th, Binance Yingge talked with ETC Asia-Pacific community manager Xu Kang Christian, and talked to everyone: the brother story of ETC and ETH. Xu Kang said that after 2016, a hard fork occurred in Ethereum. The newly forked chain is ETH, and the original chain is now ETC. Xu Kang believes that the most suitable native scenario for blockchain implementation is the financial field, followed by the alliance chain that the country has vigorously developed.

On June 10th, ARPA co-founder & chief growth officer-Noki as a guest TokenClub live broadcast room and Gate brand public relations Yue Yue connection centered on “ARPA DeFi ideas and growth strategy” centered on the discussion. Nogi talked to you about some ARPA things, and shared her views on the future of the entire digital currency and blockchain industry.

On June 10, Binance Li Jiayi talked to the well-known KOL Ke Haoran of the currency circle and One.Love, the “old” leek who loves trading. Both guests were Binance’s “bosses” (rebate partners). The two guests shared their respective stories in the currency circle and the stories they saw, and shared their own experience in currency speculation.

On June 11, Wang Xiaobin, an early investor of Bicc, founder of CC Capital, and co-founder of the three o’clock blockchain community made a guest live sharing and shared about the BICC trading platform, recent industry hotspots, and blockchain technology.

On June 11, Binance Qianjiangyue spoke to Binance Angels Steven, Wu Mi and July. Binance Angel is a volunteer team established at the beginning of Binance. This team exists as a real voice of community users. The three Binance Angels also shared their daily work in the live broadcast room.

On June 12, Binance Sis talked with Injective Protocol co-founder and CEO-Eric Chen, BN Capital Senior Partner-Wayne Lin, and shared their experiences of speculating on coins around “Defi makes the market value of crypto assets tenfold” , Investment experience and experience, a hot discussion was held on blockchain technology and Defi ecology.

On June 13th, the currency circle song king Zao Shen went live, and the theme was “Recovery of the Minority, Lost of the Most”. Mainly revolving around this Thursday’s plunge in the currency circle, US stocks have driven the currency market to chat. On the linkage of the US stocks & currency circle, the reasons for the collapse of US stocks, the following market trends and investment strategies were analyzed one by one. For more exciting content, please move to the live room.

3.TokenClub operation data
-Live data: 17 live broadcasts in the past two weeks, with over 500,000 views. TokenClub hosted a total of 889 live broadcasts with a total of 45.78 million views.
-Binary trade data: In the past two weeks, guess the rise and fall to participate in a total of 5274 times, the amount of participation exceeded 3 million TCT. At present, it is guessed that the rise and fall function has participated in a total of 1.12 million times, with a cumulative participation amount of 501 million TCT.
-Chat data: In the past two weeks, a total of 10124 messages have been generated. A total of 4.88 milliom messages have been launched since the function was launched.
-Mini-game data: The mini-game has participated in a total of 5069 times in the past two weeks. A total of 1,67 million self-functions have been online.
-Cut leeks game data together: Since the game was launched, the total number of user participation in the game was 976086 TCT total consumption was 6.28 million gift certificate total consumption was 16.39 million and TCT mining output was 163812.
-TokenClub KOL data: Over the past two weeks, the total reading volume of the BTCGrandpa article has been viewed by more than 300,000 people.
-Social media data: At present, the number of Weibo official accounts is 18053 and the number of Twitter followers is 1822 and we have opened the official Medium account this week, welcome to follow.
-Telegram official group data: In the past 2 weeks, there were 741 chats in the group, and the total number of Telegram official groups is currently 3113.
-Medium data: Medium official account u/TokenClub has published 3 excellent articles, official announcements and updates are published in English, welcome to follow.
4.Communities
1)Overseas community
On June 1, TokenClub organized an award-winning event for overseas users to participate in live broadcast interaction, retweet Twitter, and telegram group chat. At the same time, with the increase of live broadcast content, the telegram group is becoming more and more active, and the questions raised by overseas users who have just entered the telegram group are also answered in the first time. TokenClub has translated the high-quality live content of the past two weeks into English and released it to the Medium platform. Please pay attention.

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TCT has been listed on Binance、Okex、Gate.io、ZB-M、MXC、Biki、Coinex、BigOne、Coinbene、Cybex、SWFT、Loopring、Rootrex etc.
TokenClub website: www.tokenclub.com
Telegram:https://t.me/token_club



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TokenClub Bi-Weekly Report — Issue 114(5.4–5.17)

TokenClub Bi-Weekly Report — Issue 114(5.4–5.17)

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Hello everyone, thank you for your continued interest and support. In the past two weeks, various tasks of TokenClub have been progressing steadily. The product development and community operation progress this week are as follows:
1. TokenClub Events
1)TokenClub & 499Block reached strategic cooperation in live broadcasting
On May 28th, TokenClub and 499Block reached a strategic cooperation to jointly build a live broadcast ecosystem in the vertical field of blockchain.
2)520e events
When 520 comes, TokenClub launches live interactive interaction. During the event, participate in interactive questions in the live broadcast room or forward the live poster to Twitter and the telegram group, and upload a screenshot to have the opportunity to extract 520, 1314 red envelope rewards

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3)Text version of live content is abailable on Medium
In order to better understand the live broadcast of TokenClub by overseas communities, we translated the live broadcast content into English and uploaded it to TokenClub’s Medium official account, so that the community’s small partners can view it.


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4)Preview: TokenClub’s self-media grandma is invited to participate in the golden financial theme live event
From May 29th to June 4th, Golden Finance will hold a five-day live broadcast of the theme of “Finding Double Coins”. Grandpa Coin will express his views on June 3, welcome to pay attention.

2.TokenClub Live
1) Summary
Recently, Binance Co-founder He Yi, TRON founder Sun Yuchen, Hobbit HBTC founder Ju Jianhua, OSL chairman Dave, BlockVC founding partner Xu Yingkai, Outlier Ventures founder amie Burke, Bitribe founder SKY, CryptoBriefing CEO Han Kao , Huarai Group / Vice President, Global Market and Business Leader Ciara, Guosheng Securities Blockchain Research Institute Sun Shuang, Tongtongtong Research Institute CEO Song Shuangjie, Jin Tiancheng Law Firm Senior Partner Yu Bingguang, Binance China Jiang Jinze, principal researcher of Blockchain Research Institute, Meng Yan, vice president of Digital Asset Research Institute, co-founder of Primitive Ventures & director of Coindesk advisory board-Dovey Wan, founding partner of Genesis Capital & co-founder of Kushen Wallet Ocean Liao Yangyang, Binance C2C-Kathy, Binance OTC-Coco, Binance Contract & Options-Justin, Binance VIP-Jennifer, Binance Broker-Jess, Binance Mining Pool-Denny, Harbin Institute of Technology Blockchain Research Executive Deputy Director Xu Zhifeng, dForce founder Yang Mindao, Mars Finance co-founder Shang Silin, Cobo & Yuchi co-founder Shenyu, well-known investor Xu Zhe, CasperLabs CEO Mrinal Manohar, CasperLabs co-founder Scott Walker, Chairman of Rock Tree Omer Ozden, Nova Club incubation team leader & Waterdrop Capital partner Zheng Yushan, Rolling Stone miner founder Alex Lam, BitUniverse coin founder Chen Yong, Odaily Planet Daily founder and CEO Mandy Wang Mengdie, Binance stablecoin BUSD project responsible Helen Tu and senior expert of TokenClub blockchain and cryptocurrency investment strategy-Zao Shen talks with you about blockchain things ~
On May 18, Block 101 Binance Key Account Manager Luna talked to Primitive Ventures co-founder, non-profit bitcoin development fund Hardcore Fund executive director, and Coindesk advisory board director-Dovey Wan, to understand “C and C How is the Goddess of Crypto Assets made? “Dovey Wan shared with us on asset allocation, investment judgment, entrepreneurship, DCEP, etc.


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On May 19, Block 101 Yingge talked with Sun Zeyu, the founding partner of Genesis Capital and co-founder of Kushen Wallet, to share the theme of “Blockchain Investment Experience”. This investor, who is rated as “reliable” by insiders, recommends that novices try not to touch contracts, do not stay overnight even when making contracts, be alert to risks, refuse gambling, and rationally analyze investments.

On May 20th, 499Block ’s two-year birthday carnival “Global Hot Chain, Keeping Together for Every Year” celebration was held in the TokenClub Live Room. The cross-border AMA Solitaire + popular day group anchor live video sharing, including Binance Co-founder He Yi, TRON founder Sun Yuchen, Hobbit HBTC founder Ju Jianhua, OSL chairman Dave, BlockVC founding partner Xu Yingkai, Outlier Ventures founder amie Burke, Bitribe founder SKY, CryptoBriefing CEO Han Kao, Huobi Group / Vice President Global Markets and Dozens of blockchain leaders from home and abroad, such as Ciara, the business leader, all appeared on the scene, and 499Block became a popular beauty angel group to help the interactive host.


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On May 20, Sun Shuang, senior researcher of Guosheng Securities Blockchain Research Institute, Song Shuangjie, Jin Tong, CEO of Tongzhengtong Research Institute were jointly invited by Lingang Xinyefang, Lingang Innovation Management School, and Binance China Blockchain Research Institute. Tian Bingguang Senior Partner Yu Bingguang, Binance China Blockchain Research Institute Chief Researcher Jiang Jinze, Vice President of Digital Assets Research Institute Meng Yan, and many experts talked about the “Critical Digital RMB DCEP” in the live broadcast, one A feast of intertwined thoughts is worth watching again!

On May 21st, Ocean Liao Yangyang, the founder of Block 101 Seven Seven Dialogue Force Field, focused on the “big enlightenment era of digital assets”, Ocean shared with us his entrepreneurial experience, the first pot of gold, public chain, currency circle and Analysis of the current market. Regarding the future of Bitcoin, Ocean feels that he can work hard towards the direction of digital gold and become a substitute or supplement for gold. He is determined to see more, because the ceiling of the entire industry is very high, and he still cannot see its end point. The index level is rising, far from being over.

On May 22, “In the name of the Pizza Festival, we came to a different live broadcast” Bringing Goods “”, which was organized by the girls in the 101-day group of the block: June 6, July 7, Sisi, Yingge, Qianjiangyue , Dialogue: Binance First Sister, Binance C2C-Kathy, Binance OTC-Coco, Binance Contract & Options-Justin, Binance VIP-Jennifer, Binance Broker-Jess, Binance Mining Pool-Denny. We have explained to us one by one about C2C, OTC, contract options, etc. If you are interested, please move to the live room.


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On May 22, Block 101 Sisi Dialogue Xu Zhifeng, executive deputy director of the Blockchain Research Center of Harbin Institute of Technology, shared the theme: “Strategy of Great Powers: Seizing New Highlands of Blockchain Technology”. He expressed his views on his own currency circle experience, entrepreneurship, blockchain technology, DECP, etc. Xu Zhifeng is very optimistic about the future development of blockchain. He said: “Ten years later, blockchain will become a very common industry. We are the Internet industry and have never changed.”

On May 23, the old Chinese doctor Zao Shen from the coin circle went online ~ The theme of this issue: If you want to be short, you must be able to sing first, and if you want to be long, you must be patient. If the meal is not fragrant, the game is not good, and the happiness of the past has drifted into the distance, just because the daily reading is still a loss, and the head is hurt. Don’t panic, the old Chinese doctor Zao Shen of the currency circle will adopt the Trinity Interventional Therapy and precise care to regenerate life. Don’t move quickly to the live room to see what “therapy” is.

On May 25, Block 101, July 7th conversation with dForce founder Yang Mindao, talked about “DeFi opportunities and challenges.” Yang Mindao believes that the four biggest benefits of DeFi are: programmability; non-custodial nature; non-licensing; composability. He believes that the current public chain market is seriously homogenized, and the most promising public chain is Ethereum. Ethereum is the best and largest in terms of developer group, ecology, and technological evolution, and can absorb the advantages of each public chain. At the same time, he is also extremely optimistic about DeFi, “DeFi application value is gradually verified, and the value of this type of token will gradually become more prominent.”

On May 26th, Mars Finance co-founder Shang Silin Hardcore Dialogue Cobo & Yuchi co-founder Shenyu and well-known investor Xu Zhe. The trend of “financialization” in the digital asset industry is becoming more and more obvious, and the friends of miners need to master more and more skills. Unveiling the mystery of hedging for everyone.

On May 26th, Nova Superstar Dialogue Phase 13 focused on the Silicon Valley star project CasperLabs, specially invited CasperLabs CEO Mrinal Manohar, CasperLabs co-founder Scott Walker, Rock Tree chairman Omer Ozden, and Nova Club incubation team leader Water Capital Partners Zheng Yushan, discuss CasperLbs together.
On May 26, Block 101 Sisi talked with the founder of the Rolling Stone Miner, Alex Lam, and took us into the “post-worker life” of a PhD in finance. Alex shared the reasons for entering the coin circle, the first pot of gold, mining, pitted pits, investment experience and opportunities in the digital currency industry. Alex said: Bitcoin exceeds US $ 100,000, and it will be in the second half of next year or the year after.
On May 27th, Block 101 Yingge talked with BitUniverse founder Chen Yong and shared the theme: “Who” needs grid trading. Chen Yong mainly introduced the currency trading tool of Bitcoin. In his view, grid trading has changed an investor’s concept-from stud into a batch of positions and positions. Regarding the price of Bitcoin, Chen Yong believes that the price of Bitcoin may reach one hundred thousand dollars around 2030.

On May 28, Block 101 Binance Mining Pool Wu Di talked to Mandai Wang Mengdie, founder of Planet Daily Odaily, to learn more about the process of “media entrepreneurs marching into the blockchain from venture capital circles”. Mandy believes that the core competence in the media industry is high-quality original content, which is the most basic but difficult to stick to. The initial focus of entering the mixed media industry of the dragon and dragon is to focus and amplify value.

On May 29th, Block 101 Qianjiangyue Dialogue Hellen Tu, the project leader of Binance Stablecoin BUSD project, talked with everyone about the stablecoin “Life and Death”, Hellen shared the stablecoin in detail, and published his own the opinion of. For details, please move to the live room.

On May 30th, Zaoshen came to share the theme: Dongfeng blowing, bullets flying, unlimited chase? In this issue, Zao Shen shared with you the recent international financial situation and various major events in the United States in the past week, which extended to the impact on the currency circle and answered various questions about investment strategies. Friends who want to know more details can move to the live room of Zao Shen.
3.TokenClub operation data
-Live data: 13 live broadcasts in the past two weeks, with over 800,000 views. TokenClub hosted a total of 870 live broadcasts with a total of 45.06 million views.
-Binary trade data: In the past two weeks, guess the rise and fall to participate in a total of 1268 times, the amount of participation exceeded 2 million TCT. At present, it is guessed that the rise and fall function has participated in a total of 1.11 million times, with a cumulative participation amount of 498 million TCT.
-Chat data: In the past two weeks, a total of 19271 messages have been generated. A total of 4.85 milliom messages have been launched since the function was launched.
-Mini-game data: The mini-game has participated in a total of 4212 times in the past two weeks. A total of 1,66 million self-functions have been online.
-Cut leeks game data together: Since the game was launched, the total number of user participation in the game was 962612 TCT total consumption was 6,27 million gift certificate total consumption was 15,95million and TCT mining output was 161496.
-TokenClub KOL data: Over the past two weeks, the total reading volume of the BTCGrandpa article has been viewed by more than 300,000 people.
-Social media data: At present, the number of Weibo official accounts is 18033 and the number of Twitter followers is 1332 and we have opened the official Medium account this week, welcome to follow.
-Telegram official group data: In the past 2 weeks, there were 238 chats in the group, and the total number of Telegram official groups is currently 2906.
-Medium data: Medium official account u/TokenClub has published 5 excellent articles, official announcements and updates are published in English, welcome to follow.
4.Communities
1)Overseas Community
TokenClub held an event for forwarding Twitter and telegram group chats for overseas users. Bitcoin halved in less than two weeks, overseas users are more active in the telegram group, and some friends are more concerned about Binance Block 101 live broadcast, aggregation exchange, TCT usage and other issues, the administrator responded in time.On May 12th, when Bitcoin was halved, TokenClub organized a forwarding Twitter, telegram group chat prize event and participating in a live question asking interactive prize event for overseas users. There are many live broadcast events in the near future. The live broadcast poster information will be released to overseas users as soon as possible. The follow-up TokenClub will translate and broadcast high-quality live broadcast content to Twitter and Medium. Bitcoin halved, overseas users are more active in the telegram group, and some partners are more concerned about block 101 live broadcast, bitcoin future price trend, TCT usage and other issues, the administrator responded in time in the group.


https://preview.redd.it/2nrknnyo06251.png?width=1080&format=png&auto=webp&s=fb98b385c0caf7e65c7b3b2bb1edd782ec126905
2)Domestic community
Sweet Orange Club Weekly News
Last Friday, a holiday, the community opened the red envelope rain event, and brought a sincere gift to everyone while relaxing in the holiday. At the same time, it also sent the most sincere blessings to all mothers in the community on Mother’s Day. Thank you for your long-term support and help to the Orange Club community.

Hundred-day scheduled investment event (Phase II)
The fourth week of the second 100-day fixed investment plan held this week has been awarded, and everyone is still very active in this event. This week, the Bitcoin halving market was also opened in advance. The small partners participating in the fixed investment should now have a certain floating win, so we adopt the correct cycle investment strategy to believe that it can bring unexpected benefits to everyone.
Sign in the lottery.
On the evening of May 3rd and May 10th, TCT Fortune Free Academy carried out the 51st and 52nd week sign-in sweepstakes, and rewarded the small TCT partners who had always insisted on signing in. In these two sign-in sweepstakes, the lucky friends received 20–180TCT as a reward. In addition, during the lucky draw, the college friends also actively expressed their opinions on the topic of this year’s bull market.

The Leek Paradise Community Conference will continue as usual every Sunday at 20:00. During the conference, members will discuss recent hot topics, including gifts and blessings for Mother ’s Day, and the halving of Bitcoin everyone is paying attention to. At the end, the friends in the group also showed a rare enthusiasm at the first sight. It seems that the market still affects the mood. The members routinely started a red envelope rain to cheer for the participating partners and encourage everyone to maintain patience and confidence. Of course, at the same time, we are encouraging ourselves to see the community meeting next week. Come on!

TokenClub volunteer community, sign in red envelopes every day, as long as you sign in every day, you can get good benefits, friends join us quickly! In the past two weeks, the community has conducted active partners.
Volunteer community: Change to the currency circle consultation and pass the analysis of Grandma Coin and Panda analysts, support TokenClub in action, and continue to vote for TCT. In the last month, we have worked hard to learn the rain god’s strategy. We have doubled the coins in our hands. The community WeChat group has recently injected fresh students. We look forward to more people joining! Volunteer community, will continue to work hard for TokenClub
TCT has been listed on Binance、Okex、Gate.io、ZB-M、MXC、Biki、Coinex、BigOne、Coinbene、Cybex、SWFT、Loopring、Rootrex etc.
TokenClub website: www.tokenclub.com
Telegram:https://t.me/token\_club
submitted by tokenclubtct to u/tokenclubtct [link] [comments]

White Paper, Miner, Pizza … | "Old Objects" in the Cryptocurrency Museum

White Paper, Miner, Pizza … |
https://preview.redd.it/giu1ssilga151.jpg?width=900&format=pjpg&auto=webp&s=41510785ccdc0d99544ec74229f62427d1c0ce3e
Museum has played the role of a time recorder. Talking about bitcoin, more than ten years has passed since the creation of it. Although it is uncomparable to the stock market with a hundred years of history, during the ten years, in the different stages of the development of bitcoin and blockchain have continuously poured in geeks, miners, speculators, newbies, leaving keywords such as sudden rich, myth, scam, belief, revolution, etc.
There are also many “old objects” with stories in the “Museum” of the cryptocurrency realm. On Museum Day, let ’s review the stories brought by these “old objects”.
The First Digital Currency White Paper — Bitcoin White Paper
On Oct. 31, 2008, Satoshi Nakamoto released the Bitcoin white paper — A Peer-to-Peer Electronic Cash System in the cryptographic mail group where he belongs, and Bitcoin was born since then.
A white paper is a document that explains the purpose and technology used in cryptocurrency. Usually a cryptocurrency uses the white paper to help people understand what it provides, and it is also an important information channel for investors to understand a project. Therefore, the level of the white paper affects people’s confidence towards the coin.
In a word, in the cryptocurrency and blockchain industry, the value of a white paper is equivalent to that of a standard financing speech. The white paper plays a vital role in this emerging market.
The First Public Bitcoin-Physical Transaction — Pizza
Since Satoshi Nakamoto mined the Bitcoin genesis block on January 3, 2009, Bitcoin has only been spread among the small crowd and has not realized its value.
Not until May 22, 2010, Bitcoin enthusiast “Laszlo Hanyecz” bought a pizza coupon worth $25 with 10,000 bitcoins. This is the first public bitcoin-physical transaction. Bitcoin has its price with 0.3 cents per bitcoin.


This day has also become the famous “Bitcoin Pizza Day” in Bitcoin history. Bitcoin as the imagination of the financial system has more practical significance. The tenth anniversary is coming. How will you commemorate it? Will you buy a pizza?
The First Digital Asset Exchange — Bitcoinmarket.com
After the birth of Bitcoin, in addition to mining, the only way to get Bitcoin in the early days was to conduct transactions on forums or IRC (commonly known as Internet Relay Chat). However, this method involves both long transaction time and great security risk.
In March 2010, the first digital asset exchange — Bitcoinmarket.com launched. However, due to lack of liquidity and transaction depth, it disappeared soon after its establishment, but Bitcoinmarket.com opened the era of the operation of the cryptocurrency realm exchange 1.0.


On June 9, 2011, China’s first Bitcoin exchange — Bitcoin China (BTCChina) launched. Its founder, Yang Linke, translated Bitcoin into Chinese “比特币” for the first time. In 2013, China’s bitcoin trading entered the golden age, and exchanges sprung up. China monopolized more than 90% of the world’s bitcoin transactions. Now, if the top three exchanges Binance, Huobi Global, OKEx are the Exchange 2.0, then the index exchange represented by 58COIN called the 3.0 version, leading the trend.
The First Generation of High-Performance Miner — ASIC Miner
When Satoshi Nakamoto created Bitcoin, the only way to get it is to use computers (including home computers) to mine, mainly relying on the CPU to calculate. However, as the value of digital currencies such as Bitcoin has become higher and higher, mining has become an industry with the competition is getting fiercer, accompanied by increasing difficulty of mining. Therefore, hardware performance competition starts.
In July 2012, the genius Jiang Xinyu (Internet nickname is “Friedcat”) from the junior class of the University of Science and Technology declared at the forum that he could make ASIC miners (chips). As far as mining computing power is concerned, ASICs can be tens of thousands or more higher than the same-generation CPUs and GPUs.
At the beginning of 2013, Zhang Nanqian (Pumpkin Zhang), a suspended doctoral student from the Beijing University of Aeronautics and Astronautics, developed the ASIC miner and named it “Avalon”.


In June 2013, the Friedcat’s miner USB was finally released, and it maintained 20% of the computing power of the entire network.
At the end of 2013, Wu Jihan, used the tens of millions yuan earned from Friedcat through investment, worked together with Jenke group, to develop the Antminer S1. Since then, the miner manufacturer Bitmain began to enter the stage of history.
It is no exaggeration to say that Friedcat and Zhang Nangeng have opened the domestic “mining” era.
The Birthplace of China’s Bitcoin — Garage Coffee
It is not only the “old objects” that record history, but also a place that everyone in the cryptocurrency realm aspires to.
Guo Hongcai once said, “Without no The Garage Café, there will be no cryptocurrency realm today. Since it is a very mysterious place that all waves of people from the café joint together to create today’s digital asset industry.

▲ In March 2013, American student Jake Smith successfully purchased a cup of coffee at The Garage Café with 0.131 bitcoins. This move attracted the attention of CCTV, and it conducted an interview.
Indeed, The Garage Café is the world ’s first entrepreneurial-themed coffee shop. It has been legendary since its establishment in 2011. The Garage Cafét is not only the core coordinate on China’s Bitcoin map, but also the birthplace of the Chinese cryptocurrency circle, where digital asset realm tycoons including Guo Hongcai, Zhao Dong, Li Xiaolai, Li Lin have made their ways.
The development of digital currency is only 11 years old. Through these “old objects”, we review the various stories of this wave of technology together, hoping to help you understand the development process of the digital currency field. Meanwhile, I also remind all practitioners to use history as a mirror and forge ahead.
Website: https://www.58ex.com/
Twitter: https://twitter.com/58_coin
Facebook: https://www.facebook.com/coin.58COIN
Telegram: https://t.me/official58
Medium: https://medium.com/@58coin_blog/
submitted by 58CoinExchange to u/58CoinExchange [link] [comments]

Technical: A Brief History of Payment Channels: from Satoshi to Lightning Network

Who cares about political tweets from some random country's president when payment channels are a much more interesting and are actually capable of carrying value?
So let's have a short history of various payment channel techs!

Generation 0: Satoshi's Broken nSequence Channels

Because Satoshi's Vision included payment channels, except his implementation sucked so hard we had to go fix it and added RBF as a by-product.
Originally, the plan for nSequence was that mempools would replace any transaction spending certain inputs with another transaction spending the same inputs, but only if the nSequence field of the replacement was larger.
Since 0xFFFFFFFF was the highest value that nSequence could get, this would mark a transaction as "final" and not replaceable on the mempool anymore.
In fact, this "nSequence channel" I will describe is the reason why we have this weird rule about nLockTime and nSequence. nLockTime actually only works if nSequence is not 0xFFFFFFFF i.e. final. If nSequence is 0xFFFFFFFF then nLockTime is ignored, because this if the "final" version of the transaction.
So what you'd do would be something like this:
  1. You go to a bar and promise the bartender to pay by the time the bar closes. Because this is the Bitcoin universe, time is measured in blockheight, so the closing time of the bar is indicated as some future blockheight.
  2. For your first drink, you'd make a transaction paying to the bartender for that drink, paying from some coins you have. The transaction has an nLockTime equal to the closing time of the bar, and a starting nSequence of 0. You hand over the transaction and the bartender hands you your drink.
  3. For your succeeding drink, you'd remake the same transaction, adding the payment for that drink to the transaction output that goes to the bartender (so that output keeps getting larger, by the amount of payment), and having an nSequence that is one higher than the previous one.
  4. Eventually you have to stop drinking. It comes down to one of two possibilities:
    • You drink until the bar closes. Since it is now the nLockTime indicated in the transaction, the bartender is able to broadcast the latest transaction and tells the bouncers to kick you out of the bar.
    • You wisely consider the state of your liver. So you re-sign the last transaction with a "final" nSequence of 0xFFFFFFFF i.e. the maximum possible value it can have. This allows the bartender to get his or her funds immediately (nLockTime is ignored if nSequence is 0xFFFFFFFF), so he or she tells the bouncers to let you out of the bar.
Now that of course is a payment channel. Individual payments (purchases of alcohol, so I guess buying coffee is not in scope for payment channels). Closing is done by creating a "final" transaction that is the sum of the individual payments. Sure there's no routing and channels are unidirectional and channels have a maximum lifetime but give Satoshi a break, he was also busy inventing Bitcoin at the time.
Now if you noticed I called this kind of payment channel "broken". This is because the mempool rules are not consensus rules, and cannot be validated (nothing about the mempool can be validated onchain: I sigh every time somebody proposes "let's make block size dependent on mempool size", mempool state cannot be validated by onchain data). Fullnodes can't see all of the transactions you signed, and then validate that the final one with the maximum nSequence is the one that actually is used onchain. So you can do the below:
  1. Become friends with Jihan Wu, because he owns >51% of the mining hashrate (he totally reorged Bitcoin to reverse the Binance hack right?).
  2. Slip Jihan Wu some of the more interesting drinks you're ordering as an incentive to cooperate with you. So say you end up ordering 100 drinks, you split it with Jihan Wu and give him 50 of the drinks.
  3. When the bar closes, Jihan Wu quickly calls his mining rig and tells them to mine the version of your transaction with nSequence 0. You know, that first one where you pay for only one drink.
  4. Because fullnodes cannot validate nSequence, they'll accept even the nSequence=0 version and confirm it, immutably adding you paying for a single alcoholic drink to the blockchain.
  5. The bartender, pissed at being cheated, takes out a shotgun from under the bar and shoots at you and Jihan Wu.
  6. Jihan Wu uses his mystical chi powers (actually the combined exhaust from all of his mining rigs) to slow down the shotgun pellets, making them hit you as softly as petals drifting in the wind.
  7. The bartender mutters some words, clothes ripping apart as he or she (hard to believe it could be a she but hey) turns into a bear, ready to maul you for cheating him or her of the payment for all the 100 drinks you ordered from him or her.
  8. Steely-eyed, you stand in front of the bartender-turned-bear, daring him to touch you. You've watched Revenant, you know Leonardo di Caprio could survive a bear mauling, and if some posh actor can survive that, you know you can too. You make a pose. "Drunken troll logic attack!"
  9. I think I got sidetracked here.
Lessons learned?

Spilman Channels

Incentive-compatible time-limited unidirectional channel; or, Satoshi's Vision, Fixed (if transaction malleability hadn't been a problem, that is).
Now, we know the bartender will turn into a bear and maul you if you try to cheat the payment channel, and now that we've revealed you're good friends with Jihan Wu, the bartender will no longer accept a payment channel scheme that lets one you cooperate with a miner to cheat the bartender.
Fortunately, Jeremy Spilman proposed a better way that would not let you cheat the bartender.
First, you and the bartender perform this ritual:
  1. You get some funds and create a transaction that pays to a 2-of-2 multisig between you and the bartender. You don't broadcast this yet: you just sign it and get its txid.
  2. You create another transaction that spends the above transaction. This transaction (the "backoff") has an nLockTime equal to the closing time of the bar, plus one block. You sign it and give this backoff transaction (but not the above transaction) to the bartender.
  3. The bartender signs the backoff and gives it back to you. It is now valid since it's spending a 2-of-2 of you and the bartender, and both of you have signed the backoff transaction.
  4. Now you broadcast the first transaction onchain. You and the bartender wait for it to be deeply confirmed, then you can start ordering.
The above is probably vaguely familiar to LN users. It's the funding process of payment channels! The first transaction, the one that pays to a 2-of-2 multisig, is the funding transaction that backs the payment channel funds.
So now you start ordering in this way:
  1. For your first drink, you create a transaction spending the funding transaction output and sending the price of the drink to the bartender, with the rest returning to you.
  2. You sign the transaction and pass it to the bartender, who serves your first drink.
  3. For your succeeding drinks, you recreate the same transaction, adding the price of the new drink to the sum that goes to the bartender and reducing the money returned to you. You sign the transaction and give it to the bartender, who serves you your next drink.
  4. At the end:
    • If the bar closing time is reached, the bartender signs the latest transaction, completing the needed 2-of-2 signatures and broadcasting this to the Bitcoin network. Since the backoff transaction is the closing time + 1, it can't get used at closing time.
    • If you decide you want to leave early because your liver is crying, you just tell the bartender to go ahead and close the channel (which the bartender can do at any time by just signing and broadcasting the latest transaction: the bartender won't do that because he or she is hoping you'll stay and drink more).
    • If you ended up just hanging around the bar and never ordering, then at closing time + 1 you broadcast the backoff transaction and get your funds back in full.
Now, even if you pass 50 drinks to Jihan Wu, you can't give him the first transaction (the one which pays for only one drink) and ask him to mine it: it's spending a 2-of-2 and the copy you have only contains your own signature. You need the bartender's signature to make it valid, but he or she sure as hell isn't going to cooperate in something that would lose him or her money, so a signature from the bartender validating old state where he or she gets paid less isn't going to happen.
So, problem solved, right? Right? Okay, let's try it. So you get your funds, put them in a funding tx, get the backoff tx, confirm the funding tx...
Once the funding transaction confirms deeply, the bartender laughs uproariously. He or she summons the bouncers, who surround you menacingly.
"I'm refusing service to you," the bartender says.
"Fine," you say. "I was leaving anyway;" You smirk. "I'll get back my money with the backoff transaction, and posting about your poor service on reddit so you get negative karma, so there!"
"Not so fast," the bartender says. His or her voice chills your bones. It looks like your exploitation of the Satoshi nSequence payment channel is still fresh in his or her mind. "Look at the txid of the funding transaction that got confirmed."
"What about it?" you ask nonchalantly, as you flip open your desktop computer and open a reputable blockchain explorer.
What you see shocks you.
"What the --- the txid is different! You--- you changed my signature?? But how? I put the only copy of my private key in a sealed envelope in a cast-iron box inside a safe buried in the Gobi desert protected by a clan of nomads who have dedicated their lives and their childrens' lives to keeping my private key safe in perpetuity!"
"Didn't you know?" the bartender asks. "The components of the signature are just very large numbers. The sign of one of the signature components can be changed, from positive to negative, or negative to positive, and the signature will remain valid. Anyone can do that, even if they don't know the private key. But because Bitcoin includes the signatures in the transaction when it's generating the txid, this little change also changes the txid." He or she chuckles. "They say they'll fix it by separating the signatures from the transaction body. They're saying that these kinds of signature malleability won't affect transaction ids anymore after they do this, but I bet I can get my good friend Jihan Wu to delay this 'SepSig' plan for a good while yet. Friendly guy, this Jihan Wu, it turns out all I had to do was slip him 51 drinks and he was willing to mine a tx with the signature signs flipped." His or her grin widens. "I'm afraid your backoff transaction won't work anymore, since it spends a txid that is not existent and will never be confirmed. So here's the deal. You pay me 99% of the funds in the funding transaction, in exchange for me signing the transaction that spends with the txid that you see onchain. Refuse, and you lose 100% of the funds and every other HODLer, including me, benefits from the reduction in coin supply. Accept, and you get to keep 1%. I lose nothing if you refuse, so I won't care if you do, but consider the difference of getting zilch vs. getting 1% of your funds." His or her eyes glow. "GENUFLECT RIGHT NOW."
Lesson learned?

CLTV-protected Spilman Channels

Using CLTV for the backoff branch.
This variation is simply Spilman channels, but with the backoff transaction replaced with a backoff branch in the SCRIPT you pay to. It only became possible after OP_CHECKLOCKTIMEVERIFY (CLTV) was enabled in 2015.
Now as we saw in the Spilman Channels discussion, transaction malleability means that any pre-signed offchain transaction can easily be invalidated by flipping the sign of the signature of the funding transaction while the funding transaction is not yet confirmed.
This can be avoided by simply putting any special requirements into an explicit branch of the Bitcoin SCRIPT. Now, the backoff branch is supposed to create a maximum lifetime for the payment channel, and prior to the introduction of OP_CHECKLOCKTIMEVERIFY this could only be done by having a pre-signed nLockTime transaction.
With CLTV, however, we can now make the branches explicit in the SCRIPT that the funding transaction pays to.
Instead of paying to a 2-of-2 in order to set up the funding transaction, you pay to a SCRIPT which is basically "2-of-2, OR this singlesig after a specified lock time".
With this, there is no backoff transaction that is pre-signed and which refers to a specific txid. Instead, you can create the backoff transaction later, using whatever txid the funding transaction ends up being confirmed under. Since the funding transaction is immutable once confirmed, it is no longer possible to change the txid afterwards.

Todd Micropayment Networks

The old hub-spoke model (that isn't how LN today actually works).
One of the more direct predecessors of the Lightning Network was the hub-spoke model discussed by Peter Todd. In this model, instead of payers directly having channels to payees, payers and payees connect to a central hub server. This allows any payer to pay any payee, using the same channel for every payee on the hub. Similarly, this allows any payee to receive from any payer, using the same channel.
Remember from the above Spilman example? When you open a channel to the bartender, you have to wait around for the funding tx to confirm. This will take an hour at best. Now consider that you have to make channels for everyone you want to pay to. That's not very scalable.
So the Todd hub-spoke model has a central "clearing house" that transport money from payers to payees. The "Moonbeam" project takes this model. Of course, this reveals to the hub who the payer and payee are, and thus the hub can potentially censor transactions. Generally, though, it was considered that a hub would more efficiently censor by just not maintaining a channel with the payer or payee that it wants to censor (since the money it owned in the channel would just be locked uselessly if the hub won't process payments to/from the censored user).
In any case, the ability of the central hub to monitor payments means that it can surveill the payer and payee, and then sell this private transactional data to third parties. This loss of privacy would be intolerable today.
Peter Todd also proposed that there might be multiple hubs that could transport funds to each other on behalf of their users, providing somewhat better privacy.
Another point of note is that at the time such networks were proposed, only unidirectional (Spilman) channels were available. Thus, while one could be a payer, or payee, you would have to use separate channels for your income versus for your spending. Worse, if you wanted to transfer money from your income channel to your spending channel, you had to close both and reshuffle the money between them, both onchain activities.

Poon-Dryja Lightning Network

Bidirectional two-participant channels.
The Poon-Dryja channel mechanism has two important properties:
Both the original Satoshi and the two Spilman variants are unidirectional: there is a payer and a payee, and if the payee wants to do a refund, or wants to pay for a different service or product the payer is providing, then they can't use the same unidirectional channel.
The Poon-Dryjam mechanism allows channels, however, to be bidirectional instead: you are not a payer or a payee on the channel, you can receive or send at any time as long as both you and the channel counterparty are online.
Further, unlike either of the Spilman variants, there is no time limit for the lifetime of a channel. Instead, you can keep the channel open for as long as you want.
Both properties, together, form a very powerful scaling property that I believe most people have not appreciated. With unidirectional channels, as mentioned before, if you both earn and spend over the same network of payment channels, you would have separate channels for earning and spending. You would then need to perform onchain operations to "reverse" the directions of your channels periodically. Secondly, since Spilman channels have a fixed lifetime, even if you never used either channel, you would have to periodically "refresh" it by closing it and reopening.
With bidirectional, indefinite-lifetime channels, you may instead open some channels when you first begin managing your own money, then close them only after your lawyers have executed your last will and testament on how the money in your channels get divided up to your heirs: that's just two onchain transactions in your entire lifetime. That is the potentially very powerful scaling property that bidirectional, indefinite-lifetime channels allow.
I won't discuss the transaction structure needed for Poon-Dryja bidirectional channels --- it's complicated and you can easily get explanations with cute graphics elsewhere.
There is a weakness of Poon-Dryja that people tend to gloss over (because it was fixed very well by RustyReddit):
Another thing I want to emphasize is that while the Lightning Network paper and many of the earlier presentations developed from the old Peter Todd hub-and-spoke model, the modern Lightning Network takes the logical conclusion of removing a strict separation between "hubs" and "spokes". Any node on the Lightning Network can very well work as a hub for any other node. Thus, while you might operate as "mostly a payer", "mostly a forwarding node", "mostly a payee", you still end up being at least partially a forwarding node ("hub") on the network, at least part of the time. This greatly reduces the problems of privacy inherent in having only a few hub nodes: forwarding nodes cannot get significantly useful data from the payments passing through them, because the distance between the payer and the payee can be so large that it would be likely that the ultimate payer and the ultimate payee could be anyone on the Lightning Network.
Lessons learned?

Future

After LN, there's also the Decker-Wattenhofer Duplex Micropayment Channels (DMC). This post is long enough as-is, LOL. But for now, it uses a novel "decrementing nSequence channel", using the new relative-timelock semantics of nSequence (not the broken one originally by Satoshi). It actually uses multiple such "decrementing nSequence" constructs, terminating in a pair of Spilman channels, one in both directions (thus "duplex"). Maybe I'll discuss it some other time.
The realization that channel constructions could actually hold more channel constructions inside them (the way the Decker-Wattenhofer puts a pair of Spilman channels inside a series of "decrementing nSequence channels") lead to the further thought behind Burchert-Decker-Wattenhofer channel factories. Basically, you could host multiple two-participant channel constructs inside a larger multiparticipant "channel" construct (i.e. host multiple channels inside a factory).
Further, we have the Decker-Russell-Osuntokun or "eltoo" construction. I'd argue that this is "nSequence done right". I'll write more about this later, because this post is long enough.
Lessons learned?
submitted by almkglor to Bitcoin [link] [comments]

Survivors of market disasters: In this disaster, some people actually made money

There is no need to repeat the tragic market. Various historical figures are present, and they all reveal a signal: this disaster is like an earthquake with no warning signs. The victims are everywhere, and the survival is a fluke.
But in this disaster, there are still people who make money.
If you still have the impression, on August 23 of last year, there was a problem with Amazon AWS 'server in Japan, which caused the products using the region's services to be affected to varying degrees, including the cryptocurrency trading platform. After discovering a problem with Binance using AWS, the user's deposit and withdrawal were suspended, but the trading platform using the Binance Quotation API failed to take timely measures, resulting in loopholes in market makers' strategies.
That day, while Bitcoin was still steadily maintained at 10,000 USD, some users bought Bitcoin at a unit price of 0.32 USD, and when there was almost no fluctuation in the market, they used the mistake of the server to add western food for the night. A bottle of champagne.
In this disaster after 5 months, some people still use the environment to find a way to survive.
Ethereum 0 dollar purchase?
A $ 0 purchase of Ethereum happened on March 13. The market plummeted, many mortgagors' positions were exploded, and ETH fell from $ 180 to less than $ 100 without resistance. The decentralized Defi market that depends on the value of ETH is naturally not immune, such as the MakerDAO platform. MakerDAO's borrowing logic is that users over-collateralize ETH to lend USD stablecoin DAI, but when the value of ETH fell rapidly, a large number of loans fell below the threshold and the system had to be liquidated. In other words, the user's loan was not repaid. Mortgage of ETH is also not available.
So MakerDAO has a bad debt, the amount exceeds USD 4 million. In order to repay this bad debt, MakerDAO chooses to auction the collateral, that is, ETH, BAT, etc., and uses the stable currency DAI to bid. They need to use the auction proceeds to obtain repay loan.
Under normal circumstances, such auctions are not too accidental. The feeding system reports the current price of ETH, and the bidders will probably trade at a price slightly lower than the market price.
However, the background of this auction is the market's plunge. The transaction caused investors to intensive operations, which blocked the Ethereum network. It takes far more than usual gas fees to allow the miners to confirm the transfer as soon as possible.
According to the browser, on the morning of the 13th, if only 44 gwei is used, the transfer confirmation time on the Ethereum network will take 72958 seconds, which is 20 hours.
The MakerDAO debt auction on the Ethereum network has also been affected. The blockage of the network has prevented bidders with low gas costs from bidding in time, which caused participants to bid 0 DAI / ETH to drop the hammer.
It can also be seen from the transaction records that the auction of 0 DAI was indeed successful. These lucky bidders only paid a transfer fee of US $ 1 and transferred 0 amount to obtain an ETH worth US $ 122 at the time.
These people are undoubtedly fortunate. The external environment helped them to become the only game participants. The exchange of $ 1 for $ 120 and a profit of 11900% was much higher than the odds of players who risked bottom-swinging in fluctuations.
However, from another perspective, MakerDAO's auction is to use the DAI obtained from the auction to pay off debts. However, due to network congestion, this situation has caused several free gifts, and MakerDAO's debt repayment is even worse.
Pick up goods by luck
If it is said that MakerDAO launches the auction, it is a helpless action of the team under extreme conditions. Bidders still need a bit of technical barriers to participate, but there is nothing to worry about, and there is almost no difficulty and cost.
On the evening of March 12, investors discovered that the LINK / USDT trading pair of the Binance trading platform experienced a short-term flash collapse and once fell to the bottom 0.0001 USD. What's going on?
Twitter netizens then asked Zhao Changpeng about the matter, and the latter's response was a shock. It turned out that someone had already launched the LINK trading pair as early as Binance, that is, on January 16 last year, a low was hung within 8 seconds after the real-time trading was opened. Price list, but it has not been closed because no fool will sell it at this price.
Unexpectedly, more than a year later, this pending order was sold "strangely". "At that time we had no price range restrictions. We will not cancel user orders." Zhao Changpeng said that the platform will not deny this order because the operation is completely reasonable.
It will not be rolled back for various reasons. In other words, even if LINK has experienced a large decline recently, at the current price of 2.3 US dollars, the profit of this transaction will exceed 2 million US dollars. US dollars, then he instantly won nearly 5 million US dollars.
The cost of 100 dollars, the income of 2.4 million dollars, a real profit.
In fact, similar examples of this kind of luck are not rare in the crypto industry. Except for Binance and the previous examples, BitMex and OKEx have also experienced similar situations, and more than once.
For example, on December 6, 2017, Binance's XRP / BTC trading pair experienced a breakdown of the list. In a very short period of time, the XRP price was oversold to 0.0000002 BTC, which is basically negligible. On January 29, 2018, the price of the ADA contract on BitMEX also fell to 0.00000005 US dollars, which was also nearly 0; another trading platform, OKEx, also saw a large amount of 0.002 USD on January 14, 2018. Case, according to the official statement at that time, "a certain trader" quickly sold a large amount of ETH through market orders within 12 minutes. Interestingly, at the time, some people analyzed that "a certain trader" was actually an official market-making robot, and "a large amount" of 100 million Ethereum was eventually sold for 20 dollars.
However, for ordinary people, if you want to encounter this kind of opportunity for leak detection, unless you are bored and place an order in advance, such a price is fleeting, and you ca n’t seize the opportunity simply by hand speed. In fact, at present, many trading platforms have actually adopted corresponding price amplitude filters, which specify the maximum / minimum price range of pending order prices. Oolong trading is very rare. Even if luck hits and catches up, it is very likely that the platform will intervene and the transaction will be rolled back. This situation has not happened before.
Only this time, the trader who had placed an order on Binance for more than a year, even if he successfully leaked and successfully withdrew the coin, it can only be said that he hit the Grand Canal.
Safe moving of bricks
Buying a certain kind of token on a crypto trading platform, and then selling the token to another trading platform, earning the price difference is a moving brick in the crypto circle. Moving bricks has been an arbitrage behavior since the birth of the transaction. It belongs to a very old business. Arthur, the founder of BitMex, who now operates a trading platform, and Xu Mingxing of OKEx, were once members of the army of moving bricks. . This kind of brick moving was the most prosperous at the end of 2017. At that time, trading platforms such as Bithumb in South Korea also called the "Kimchi premium" due to the price difference between other platforms. Moving bricks is a kind of risk-free arbitrage. Players use energy to gain profits, although the single profit is not much. However, with the maturity of trading robots and quantitative trading teams, the spread of tokens between multiple regions or platforms is often wiped out in a matter of seconds. Therefore, the profit margin of manually moving bricks is now very small.
Of course, it is not to say that there is no opportunity. Such an opportunity to make money is indeed hidden under the volatile market.
"Buy at a low price and sell at a high price, this is simply the most secure way to make money in a plunging market!" Investors are excited about cryptography. Starting at 6:30 pm on March 12, cryptocurrencies have experienced sharp fluctuations, while Binance and Huobi When the bitcoin spread between the three trading platforms and OKEx was the largest, it even reached more than 700 US dollars. The discerning player quickly discovered the opportunity, "For half an hour, I made more than 10,000 with a principal of 20,000 yuan. Such an opportunity is usually not available."
Buy and sell orders executed by the above investors at almost the same time, with a spread of nearly $ 450
When it comes to moving bricks, time is money. It is definitely too late to shuttle between multiple trading platforms. Many investors have now transferred the "battlefield" to the platform that focuses on aggregated trading. "The aggregated trading platform integrates the depth of multiple platforms. As long as there is a price difference between supported platforms, users only use One account can be bought and sold on multiple platforms, and it can be operated in a few seconds. "Wu Ling, who seized the opportunity from the extreme market in these two days, made nearly 50,000 by moving bricks in just a few hours. Yuan, the principal is no more than tens of thousands of yuan.
It is understood that there are already multiple platforms targeting the aggregate trading business on the market, and the opportunity to move bricks does not often appear, unless similar to the extreme market appearing in the past few days, or some unique tokens, there may be soaring and plunging. Opportunities, as a whole, are not met a few times a year, and they are fleeting.
However, whether it is MakerDAO auctions, ultra-low-priced pending order transactions, or arbitrage moving bricks under the new situation, these opportunities to make money are actually small probability and cannot be used as conventional investment methods.
These seemingly easy profits are in the end a few people. Many people are trapped in extreme quotes in stuns. Most investors have no assets left on the trading platform overnight.
Maybe this also makes many investors lose confidence in the industry, but in fact, in the face of such a market, after finishing our mood, we are more learning from changes.
Learn the reasons for this disaster, learn the logic of the main control panel, learn what signals were ignored before the disaster, and prepare for the next time. At the same time, we can also see the development of the industry. For example, when all centralized trading platforms are down, DEX can still be implemented despite various problems.
I hope that everyone still has confidence in the blockchain and cryptocurrency industries. Finally, I would like to remind everyone that the recent market changes are unpredictable. Please pay attention to risks and exercise caution.
submitted by FmzQuant to u/FmzQuant [link] [comments]

Daily analysis of cryptocurrencies 20191106 (Market index 53 — Neutral state)

Daily analysis of cryptocurrencies 20191106 (Market index 53 — Neutral state)

China — Wu Zhen

HK Regulator Announces Blockchain Collaboration With Subsidiary Of Institute Of Digital Currency Of PBoC The Hong Kong Monetary Authority (HKMA) of China announces on Nov 6 that a Memorandum of Understanding (MoU) was signed between the subsidiaries of Hong Kong Interbank Clearing Limited and Institute of Digital Currency of People’s Bank of China (PBoC) to conduct a Proof-of-Concept (PoC) trial. The trial aims to connect blockchain-based trade finance platform eTradeConnect and the PBoC Trade Finance Platform. The PoC is expected to begin in the first quarter of 2020.
EU Plans To Launch Public Cryptocurrency The draft text of the European Union, on Nov 5, urges the bloc to develop a common approach cryptocurrency. That is possibly including the ban projects deemed too risky. In its current form, EU finance ministers could adopt the document next month. That would intensify the EU’s cryptocurrency regulatory campaign, which has so far been only partially regulated in individual EU States. The European Central Bank and other central banks in the EU could usefully explore the opportunities and challenges of central banks issuing digital currencies. That is including by considering concrete measures to this end, the project said. That is prepared by the Finnish Presidency of the EU and subject to possible amendments.
North Korea Sets Up A Blockchain Firm To Launder Cash: UN North Korea has been using a Hong Kong-based blockchain company to launder money, according to a quarterly report from the UN Security Council’s Sanctions Committee on North Korea. As reported by South Korean newspaper Chosun, North Korea employed a shipping and logistics firm called Marine China, which runs on a blockchain platform, to avoid international sanctions by laundering stolen cryptocurrency.
Azerbaijan’s Central Bank To Introduce Blockchain-Based Digital Identification System The process of introducing a digital identification system based on blockchain technology in Azerbaijan will be completed by the end of 2019, Farid Osmanov, director of the information technology department of Azerbaijan’s Central Bank (CBA) said at the IV International Banking Forum in Baku, Trend reports Nov. 6. Osmanov said that this system will be commissioned in the first quarter of 2020.
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After struggling to settle above $9,500, bitcoin started a downside correction against the US Dollar. BTC corrected lower and traded below the $9,400 and $9,350 levels. However, the price stayed above the $9,200 support and the 100 hourly simple moving average.
At the outset, the price is consolidating in a contracting range above the $9,200 support. The last swing high was near $9,435 and the last swing low was near $9,278. The price is currently moving higher above the $9,300 level.
Moreover, there was a break above the 23.6% Fib retracement level of the recent decline from the $9,435 high to $9,278 low. An immediate resistance is near the $9,350 and $9,375 levels.

Encrypted project calendar(November 6, 2019)

STEEM/Steem: The Steem (STEEM) SteemFest 4 conference will be held in Bangkok from November 6th to 10th. KIM/Kimcoin: Kimcoin (KIM) Bitfinex will be online at KIM on November 6, 2019 at 12:00 (UTC). Nebulas (NAS): 06 November 2019 Burn Deadline “Be sure to read this announcement & burn your $NAT by November 6th, 3:00p.m. (UTC+8, Beijing time).” Power Ledger (POWR): 06 November 2019 Book Launch ATTN Perth Power Ledger community, we will be hosting renowned economist Ross Garnaut at our WA office for the launch of his latest book… Credits (CS): 06 November 2019 Telegram AMA We are happy to announce an AMA session on WolfCryptoPub Telegram channel on the 6th November at 12:00 UTC. Fetch.ai (FET): 06 November 2019 Telegram AMA “Join @Fetch_ai CTO @pretzelsnake at 4pm UTC on Wednesday for an AMA on @Crypto_Players’ Telegram channel.”

Encrypted project calendar(November 7, 2019)

XRP (XRP): 07 November 2019 Swell 2019 Ripple hosts Swell from November 7th — 8th in Singapore. BTC/Bitcoin: Malta The A.I. and Blockchain summit will be held in Malta from November 7th to 8th. Waves (WAVES): 07 November 2019 Joins Odyssey “#Waves is joining Odyssey… We’re kicking off on Nov. 7 at Polaris…” Komodo (KMD) and 1 other: 07 November 2019 Block Party Amsterdam Block Party Amsterdam in Amsterdam from 17:30–22:00. Horizen (ZEN): 07 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA. Molecular Future (MOF): 07 November 2019 Encrypted Wine Party Wuzhen Encrypted Wine Party held by global blockchain media coinvoice and JRR crypto in Zhejiang. NEO (NEO): 07 November 2019 Live on Telegram “Join us for Neo Live at our Telegram channel to chat with @OnTrade1 ! Make sure to join us at 8PM (UTC+8) on Thursday, November 7th!” Enigma (ENG): 07 November 2019 Waterloo Meetup “Come meet us Thursday evening before the hack to learn about privacy, “secret contracts”, and Salad, a coin-mixing application…” Ark (ARK): 07 November 2019 Slack AMA “Join the ARK Slack and ask questions — Thursday the 7th of November! This week will be about ARK Explorer & Website (Michel, 6pm UTC)…”

Encrypted project calendar(November 8, 2019)

BTC/Bitcoin: The 2nd Global Digital Mining Summit will be held in Frankfurt, Germany from October 8th to 10th. IOTX/IoTeX: IoTex (IOTX) will participate in the CES Expo on November 08 TOP (TOP): 08 November 2019 Mainnet Launch “So excited to announce that on November 8th, TOP Network will officially launch the mainnet…” OKB (OKB): 08 November 2019 OKEx Talks — Valencia “Meet us at our next OKEx Talks in Valencia on 8 Nov with speaker Gustavo Segovia@sepu85 who will look at the benefits of creating Zenon (ZNN): 08 November 2019 Awareness Fund Payout “Distribution of the fund takes place every Friday until Pillars Lock-in Phase is completed.” Bytom (BTM): 08 November 2019 Keep Moving Conference “Bytom “Keep MOVing” conference will be held in Wuzhen World Conference. We will invite partners, core community members and devs to…” WAX (WAXP): 08 November 2019 Infinity Festival We’re at the Infinity Festival in LA this Friday, November 8th. Don’t miss Malcolm CasSelle speaking at this event on digital collectibles.

Encrypted project calendar(November 9, 2019)

CENNZ/Centrality: Centrality (CENNZ) will meet in InsurTechNZ Connect — Insurance and Blockchain on October 9th in Auckland. HTMLCOIN (HTML): 09 November 2019 (or earlier) Mandatory Wallet Update Mandatory Wallet Update: there will be a soft fork on our blockchain. This update adds header signature verification on block 997,655. Harmony (ONE): 09 November 2019 Indian Meetups Come & meet us in person on November 9th in our meetups in Bangalore & New Delhi!

Encrypted project calendar(November 10, 2019)

Bibox Token (BIX): 10 November 2019 Bibox Summit “Bibox Summit 2019 — Maximizing Profit On Uptrend Season” from 1 PM — 5 PM (ITV) in Ho Chi Minh City.

Encrypted project calendar(November 11, 2019)

PAX/Paxos Standard: Paxos Standard (PAX) 2019 Singapore Financial Technology Festival will be held from November 11th to 15th, and Paxos Standard will attend the conference. Crypto.com Coin (CRO): and 3 others 11 November 2019 Capital Warm-up Party Capital Warm-up Party in Singapore. GoldCoin (GLC): 11 November 2019 Reverse Bitcoin Hardfork The GoldCoin (GLC) Team will be “Reverse Hard Forking” the Bitcoin (BTC) Blockchain…” Horizen (ZEN): 11 November 2019 (or earlier) Horizen Giveaway — Nodes Horizen Giveaway — Win Free Node Hosting! Entries before November 11th. SINOVATE (SIN): 11 November 2019 Roadmap V3 SINOVATE (SIN) Roadmap V3 will be released with new upcoming technologies and proof of concepts!

Encrypted project calendar(November 12, 2019)

BTC/Bitcoin: The CoinMarketCap Global Conference will be held at the Victoria Theatre in Singapore from November 12th to 13th Binance Coin (BNB) and 7 others: 12 November 2019 CMC Global Conference “The first-ever CoinMarketCap large-scale event: A one-of-a-kind blockchain / crypto experience like you’ve never experienced before.” Aion (AION) and 17 others: 12 November 2019 The Capital The Capital conference from November 12–13 in Singapore. Loom Network (LOOM): 12 November 2019 Transfer Gateway Update “If you have a dapp that relies on the Transfer Gateway, follow the instructions below to make sure you’re prepared.”

Encrypted project calendar(November 13, 2019)

Fetch.ai (FET): 13 November 2019 Cambridge Meetup “Join us for a@Fetch_ai #Cambridge #meetup on 13 November @pantonarms1.” Binance Coin (BNB) and 5 others: 13 November 2019 Blockchain Expo N.A. “It will bring together key industries from across the globe for two days of top-level content and discussion across 5 co-located events…” OKB (OKB): 13 November 2019 Dnipro, Ukraine- Talks Join us in Dnipro as we journey through Ukraine for our OKEx Cryptour on 11 Nov. Centrality (CENNZ): 13 November 2019 AMA Meetup “Ask our CEO@aaronmcdnz anything in person! Join the AMA meetup on 13 November in Singapore.” OKB (OKB): 13 November 2019 OKEx Cryptotour Dnipro “OKEx Cryptour Ukraine 2019 — Dnipro” in Dnipro from 6–9 PM (EET).

Encrypted project calendar(November 14, 2019)

BTC/Bitcoin: The 2019 BlockShow Asia Summit will be held at Marina Bay Sands, Singapore from November 14th to 15th. Binance Coin (BNB): and 4 others 14 November 2019 BlockShow Asia 2019 BlockShow Asia 2019 at Marina Bay Sands Expo, Singapore from November 14–15. Basic Attention Token (BAT): 14 November 2019 London Privacy Meetup “If you’re in London on Nov. 14th, don’t miss our privacy meetup! The Brave research team, our CPO @johnnyryan, as well as @UoE_EFI Horizen (ZEN): 14 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA. IOTA (MIOTA): 14 November 2019 Berlin Meetup From Construction to Smart City: IOTA, Maschinenraum & Thinkt Digital will explain, using concrete use cases, how to gain real value from.. Dash (DASH): 14 November 2019 Q3 Summary Call “Dash Core Group Q3 2019 Summary Call — Thursday, 14 November 2019” NEO (NEO): 14 November 2019 NeoFest Singapore Meetup “Glad to have@Nicholas_Merten from DataDash as our host for #NeoFest Singapore meetup on 14th Nov!”

Encrypted project calendar(November 15, 2019)

TRON (TRX): 15 November 2019 Cross-chain Project “The #TRON cross-chain project will be available on Nov. 15th” Bluzelle (BLZ): 15 November 2019 (or earlier) CURIE Release CURIE release expected by early November 2019. Zebi (ZCO): 15 November 2019 ZEBI Token Swap Ends “… We will give 90 days to all the ERC 20 token holders to swap out their tokens into Zebi coins.” OKB (OKB): 15 November 2019 OKEx Talks — Vilnius “Join us for a meetup on 15 Nov (Fri) for our 1st ever Talks in Vilnius, Lithuania.”

Encrypted project calendar(November 16, 2019)

Bancor (BNT): and 2 others 16 November 2019 Crypto DeFiance-Singapore “Crypto DeFiance is a new global DeFi event embracing established innovators, financial market disruptors, DApp developers…” NEM (XEM): 16 November 2019 Developer’s Event “BLOCKCHAIN: Creation of Multifirma services” from 10:50 AM — 2 PM.

Encrypted project calendar(November 17, 2019)

OKB (OKB): 17 November 2019 OKEx Talks — Lagos Join us on 17 Nov for another OKEx Talks, discussing the “Life of a Crypto Trader”.

Encrypted project calendar(November 18, 2019)

Maker (MKR): 18 November 2019 MCD Launch “BIG changes to terminology are coming with the launch of MCD on Nov. 18th Say hello to Vaults, Dai, and Sai.”

Encrypted project calendar(November 19, 2019)

Lisk (LSK): 19 November 2019 Lisk.js “We are excited to announce liskjs2019 will take place on November 19th. This all day blockchain event will include…”

Encrypted project calendar(November 20, 2019)

OKB (OKB): 20 November 2019 OKEx Cryptour Odessa Ukr “Join us in Odessa as we journey through Ukraine for our OKEx Cryptour!”

Encrypted project calendar(November 21, 2019)

Cardano (ADA): and 2 others 21 November 2019 Meetup Netherlands (AMS) “This meetup is all about how to decentralize a blockchain, the problems and differences between Proof-of-Work and Proof-of-Stake…” Cappasity (CAPP): 21 November 2019 Virtuality Paris 2019 “Cappasity to demonstrate its solution for the interactive shopping experience at Virtuality Paris 2019.” Horizen (ZEN): 21 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA. OKB (OKB): 21 November 2019 OKEx Talks — Johannesburg “Join us the largest city of South Africa — Johannesburg where we will host our OKEx Talks on the 21st Nov.” IOST (IOST): 22 November 2019 Singapore Workshop Join the Institute of Blockchain for their 2nd IOST technical workshop in Singapore on 22 Nov 2019. The workshop includes IOST’s key tech. OKB (OKB): 22 November 2019 St. Petersberg Talks “Join us in St. Petersberg on 22 Nov as we answer your questions on Crypto Security. “

Encrypted project calendar(November 22, 2019)

IOST (IOST): 22 November 2019 Singapore Workshop Join the Institute of Blockchain for their 2nd IOST technical workshop in Singapore on 22 Nov 2019. The workshop includes IOST’s key tech OKB (OKB): 22 November 2019 St. Petersberg Talks “Join us in St. Petersberg on 22 Nov as we answer your questions on Crypto Security. “

Encrypted project calendar(November 27, 2019)

OKB (OKB): 27 November 2019 OKEx Cryptour Vinnytsia “Join us in Vinnytsia as we journey through Ukraine for our OKEx Cryptour!” Fetch.ai (FET): 27 November 2019 London Meetup “Join us on 27 November @primalbasehq to hear an exciting progress report as we prepare for the launch of our #mainnet”

Encrypted project calendar(November 28, 2019)

Horizen (ZEN): 28 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA.

Encrypted project calendar(November 30, 2019)

Ethos (ETHOS): 30 November 2019 (or earlier) Rebranding “In November, we unveil the broker token, a dynamic utility token to power our commission-free crypto trading and broker platform, Voyager.” Digitex Futures (DGTX): 30 November 2019 Public Testnet Launch “…We can expect to see the world’s first zero-commission futures trading platform live on the Ethereum public testnet from 30th November.” Monero (XMR): 30 November 2019 Protocol Upgrade “Preliminary information thread regarding the scheduled protocol upgrade of November 30.” Chiliz (CHZ): 30 November 2019 (or earlier) Fiat to CHZ Exchanges “We will add another two fiat to $CHZ exchanges in November…” Skrumble Network (SKM): 30 November 2019 (or earlier) P2P & Group Calling “P2P & Group Video Calling,” during November 2019. Aergo (AERGO): 30 November 2019 (or earlier) Mainnet 2.0 Upgrade Mainnet 2.0 Protocol update by end of November. Akropolis (AKRO): 30 November 2019 (or earlier) Beta Release “All functionality has been deployed to mainnet.” Nash Exchange (NEX): 30 November 2019 (or earlier) Mobile Strategy Phase 2 “Phase 2 of our mobile strategy will be live soon with our wallet and portfolio app hitting stores in November!”

Encrypted project calendar(November 31, 2019)

Wanchain (WAN): 31 December 2019 (or earlier) Wanchain 4.0 Release Wanchain 4.0, which introduces private chains integration and multi-coin wallet, released in Dec 2019. QuarkChain (QKC): 31 December 2019 (or earlier) Token Testnet Release Testnet for Multi-Native-Token and New Consensuses.

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🎃Daily analysis of cryptocurrencies 20191101 (Market index 49 — Neutral state)👻

🎃Daily analysis of cryptocurrencies 20191101 (Market index 49 — Neutral state)👻

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Bitmain Investigating ZHAN Ketuan And His Team For Embezzlement And Duty EncroachmentAccording to Jiemian.com, a core executive with Bitmain said, “Bitmain is investigating ZHAN Ketuan and his team for embezzlement and duty encroachment. We presume that’s why ZHAN keeps silent these days when WU Jihan said in a email that ZHAN was relived from all businesses.” As of press time, Bitmain made no comments on this news.
Samsung blockchain wallet already supports Elrond token ERDThe Samsung blockchain wallet already supports Elrond token ERD, Samsung users will be able to access tokens and decentralized applications (DApps) built on the Elrond network, and Elrond will be in direct contact with Samsung’s global customer base. Samsung blockchain wallets currently support BTC, ETH and AERGO tokens.
BTC.com’s real-time computing power in Bitco’s mining pool was overtaken by Yuchi Coin. Its ranking has dropped to third.The real-time calculation data of the BTC.com mining pool shows that BTC.com’s real-time computing power of Bitcoin’s mining pool has been overtaken by the fish pond and the coin printing pool. The current real-time computing power is 13110.00 PH/s, and the ranking has dropped to the third. . The coin printing pool ranked first with 15644.00 PH/s real-time computing power; Yuchi ranked second with real-time computing power of 14912.63 PH/s. In addition, BTC.com mining pool computing power share ratio on the 7th data shows that BTC.com mining pool computing power share ranking has also dropped to third, accounting for 15.3%; fish ponds with a 17.6% share First; the coin-printed pool is temporarily ranked second with a 16% share of computing power.
Number Of US Bitcoin Users Now Exceeds Maximum BTC SupplyAccording to a new Coinbase report, which was published on Bitcoin’s 11th anniversary, the number of Americans who use Bitcoin now exceeds the maximum circulating supply of the world’s first cryptocurrency. The San Francisco-based crypto behemoth has estimated that 27 million Americans use Bitcoin in 2019, which represents roughly nine percent of the US population. Meanwhile, there will be only 21 mln orange coins that will be mined in total.
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BTC — BTC has continued to maintain range volatility since yesterday and is still hovering around $9200. In the past 24 hours, the net outflow of BTC capital has exceeded US $30 million, and the outflow of market capital has decreased significantly compared with the previous period. Yesterday, BTC fluctuated a lot. In the afternoon, it pretended to fall below the $9000 level and quickly rebounded to the highest around $9467. Then it rebounded slightly after stepping back on the $9000 support twice in the morning. At present, the short-term market is still in the stage of interval fluctuation, and frequent operation here may be more difficult. It is recommended to take the medium and long-term line as the investment target. The upper resistance level is close to $9600, while the lower resistance level is close to $9000. In terms of operation, it is suggested to control the position for the time being. The risk of further write back cannot be excluded here.
Review previous articles: https://medium.com/@to.liuwen
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Encrypted project calendar(November 1, 2019)

INS/Insolar: The Insolar (INS) Insolar wallet and the redesigned Insolar Block Explorer will be operational on November 1, 2019.***VeChain (VET):”***01 November 2019 BUIDLer Reunion Party BUIDLer Reunion Party in San Francisco from 8–11 PM.uPlexa (UPX): 01 November 2019 Steadfast Storm — PoS/PoW split (Utility nodes ie. master nodes) — Upcoming Anonymity Network much like TOR — Privacy-based DApps — Reduced network fees.Enjin Coin (ENJ): 01 November 2019 MFT Binding “ICYMI: On Enjin Coin’s 2nd anniversary (November 1), Enjin MFTs will be bound to hodlers’ blockchain addresses…”***Auxilium (AUX):***01 November 2019 AUX Interest Distribution Monthly interest distribution by Auxilium Interest Distribution Platform for coinholders. Also supports charity.***Havy (HAVY):***01 November 2019 Token Buyback “Havy tokens buyback, Only in 1 exchange between Idex, Mercatox & Hotbit. The exchange depends on the most lower sell wall.”Egretia (EGT): 01 November 2019 Global DApp Contest SF 2019 Egretia Global DApp Contest in San Francisco.EthereumX (ETX): 01 November 2019 Snapshot for ETX Holders “Next snapshot of ETX balances will be taken on 1st November 2019.”Veros (VRS): 01 November 2019 Transcoin Partnership “On November 1, Transcoin instant swap tool will be integrated into @VEROSFP platform.”Status (SNT): 01 November 2019 Governance Vote Closes “Community Governance Proposals are now live in the SNT Voting DApp.”Tael (WABI): 01 November 2019 AMA with Founders “Join us this Friday, 1st of November for a founder AMA. Our Q3 Recap comes out tomorrow and we know you’ll have questions!”IOST (IOST): 01 November 2019 Bounty Campaign Ends “Campaign ends tomorrow, 1st Nov, 8AM, GMT+8”

Encrypted project calendar(November 2, 2019)

Kambria (KAT): 02 November 2019 VietAI Summit 2019 Kambria joins forces with VietAI for the annual VietAI Summit, with top experts from Google Brain, NVIDIA, Kambria, VietAI, and more!ABBC Coin (ABBC): 02 November 2019 One-on-one Servicer “Users will be provided with a new one-on-one service platform on Saturday.”

Encrypted project calendar(November 3, 2019)

Waltonchain (WTC): 03 November 2019 Premining Application End “Application for SMN & GMN $WTA pre-mining ends at 17:00 on Nov. 3 (UTC+8).”

Encrypted project calendar(November 4, 2019)

Stellar (XLM): 04 November 2019 Stellar Meridian Conf. Stellar Meridian conference from Nov 4–5 in Mexico City.Cappasity (CAPP): 04 November 2019 Lisbon Web Summit Lisbon Web Summit in Lisbon, Portugal from November 4–7.Aion (AION): 04 November 2019 CASCON x EVOKE 2019 CASCON x EVOKE 2019 from Nov 4–6 in Toronto.ThoreNext (THX): 04 November 2019 Migration/Swap Begins “4 Nov 2019 Migration/Swap/Issuance start Check Your email 1st Nov To facilitate a streamlined Process, we will use proprietary software…”Ocean Protocol (OCEAN): 04 November 2019 Blckchn for Science Party “Join us on Monday for bottles and (data) models at the official Blockchain for Science afterparty at @betahaus Factom (FCT): 04 November 2019 Grant Deadline “Have an idea you’ve been itching to build using #FactomProtocol? Apply for a grant (the deadline is November 4th):”Winding Tree (LIF): 04 November 2019 HackTravel London HackTravel London from November 4–6 in London.

Encrypted project calendar(November 5, 2019)

Nexus (NXS): 05 November 2019 Tritium Official Release “Remember, Remember the 5th of November, the day Tritium changed Distributed Ledger. Yes, this is an official release date.”NEM (XEM): 05 November 2019 Innovation Forum — Kyiv NEM Foundation Council Member Anton Bosenko will be speaking in the upcoming International Innovation Forum in Kyiv on November 5, 2019.TomoChain (TOMO): 05 November 2019 TomoX Testnet “Mark your calendar as TomoX testnet will be live on Tuesday, Nov 5th!”aelf (ELF): 05 November 2019 Bug Bounty Program Ends On Oct 24th, 2019 aelf’s biggest bug bounty will launch with a large reward pool. The event will run for almost 2 weeks.ICON (ICX): 05 November 2019 Seoul Meetup “We are pleased to announce that the ICON x Steem DApp SEOUL MEETUP will be held in the ICON Lounge on November 5th.”Utrust (UTK): 05 November 2019 Lisbon Meetup “We’re hosting a meetup for anyone interested in blockchain & crypto adoption! Industry leaders like Cointelegraph, BetProtocol & others…”Siacoin (SC): 05 November 2019 Zurich Meetup “Join us Tuesday, Nov 5th in Zurich for a Sia meetup with CEO David, and devs Chris and PJ at @impacthubzurich.”OKB (OKB): 05 November 2019 Simulation USDT Futures “NEW LAUNCH: The much-awaited $USDT-Margined Futures Trading will soon be available on #OKEx… Simulation launching Nov 5”

Encrypted project calendar(November 6, 2019)

STEEM/Steem: The Steem (STEEM) SteemFest 4 conference will be held in Bangkok from November 6th to 10th.KIM/Kimcoin: Kimcoin (KIM) Bitfinex will be online at KIM on November 6, 2019 at 12:00 (UTC).Nebulas (NAS): 06 November 2019 Burn Deadline “Be sure to read this announcement & burn your $NAT by November 6th, 3:00p.m. (UTC+8, Beijing time).”Power Ledger (POWR): 06 November 2019 Book Launch ATTN Perth Power Ledger community, we will be hosting renowned economist Ross Garnaut at our WA office for the launch of his latest book…

Encrypted project calendar(November 7, 2019)

XRP (XRP): 07 November 2019 Swell 2019 Ripple hosts Swell from November 7th — 8th in Singapore.BTC/Bitcoin: Malta The A.I. and Blockchain summit will be held in Malta from November 7th to 8th.Waves (WAVES): 07 November 2019 Joins Odyssey “#Waves is joining Odyssey… We’re kicking off on Nov. 7 at Polaris…”Komodo (KMD) and 1 other: 07 November 2019 Block Party Amsterdam Block Party Amsterdam in Amsterdam from 17:30–22:00.Horizen (ZEN): 07 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA.

Encrypted project calendar(November 8, 2019)

BTC/Bitcoin: The 2nd Global Digital Mining Summit will be held in Frankfurt, Germany from October 8th to 10th.IOTX/IoTeX: IoTex (IOTX) will participate in the CES Expo on November 08TOP (TOP): 08 November 2019 Mainnet Launch “So excited to announce that on November 8th, TOP Network will officially launch the mainnet…”OKB (OKB): 08 November 2019 OKEx Talks — Valencia “Meet us at our next OKEx Talks in Valencia on 8 Nov with speaker Gustavo Segovia @sepu85 who will look at the benefits of creating

Encrypted project calendar(November 9, 2019)

CENNZ/Centrality: Centrality (CENNZ) will meet in InsurTechNZ Connect — Insurance and Blockchain on October 9th in Auckland.HTMLCOIN (HTML): 09 November 2019 (or earlier) Mandatory Wallet Update Mandatory Wallet Update: there will be a soft fork on our blockchain. This update adds header signature verification on block 997,655.

Encrypted project calendar(November 11, 2019)

PAX/Paxos Standard: Paxos Standard (PAX) 2019 Singapore Financial Technology Festival will be held from November 11th to 15th, and Paxos Standard will attend the conference.Crypto.com Coin (CRO): and 3 others 11 November 2019 Capital Warm-up Party Capital Warm-up Party in Singapore.GoldCoin (GLC): 11 November 2019 Reverse Bitcoin Hardfork The GoldCoin (GLC) Team will be “Reverse Hard Forking” the Bitcoin (BTC) Blockchain…”Horizen (ZEN): 11 November 2019 (or earlier) Horizen Giveaway — Nodes Horizen Giveaway — Win Free Node Hosting! Entries before November 11th.

Encrypted project calendar(November 12, 2019)

BTC/Bitcoin: The CoinMarketCap Global Conference will be held at the Victoria Theatre in Singapore from November 12th to 13thBinance Coin (BNB) and 7 others: 12 November 2019 CMC Global Conference “The first-ever CoinMarketCap large-scale event: A one-of-a-kind blockchain / crypto experience like you’ve never experienced before.”Aion (AION) and 17 others: 12 November 2019 The Capital The Capital conference from November 12–13 in Singapore.Loom Network (LOOM): 12 November 2019 Transfer Gateway Update “If you have a dapp that relies on the Transfer Gateway, follow the instructions below to make sure you’re prepared.”

Encrypted project calendar(November 13, 2019)

Fetch.ai (FET): 13 November 2019 Cambridge Meetup “Join us for a @Fetch_ai #Cambridge #meetup on 13 November @pantonarms1.”Binance Coin (BNB) and 5 others: 13 November 2019 Blockchain Expo N.A. “It will bring together key industries from across the globe for two days of top-level content and discussion across 5 co-located events…”OKB (OKB): 13 November 2019 Dnipro, Ukraine- Talks Join us in Dnipro as we journey through Ukraine for our OKEx Cryptour on 11 Nov.Centrality (CENNZ): 13 November 2019 AMA Meetup “Ask our CEO @aaronmcdnz anything in person! Join the AMA meetup on 13 November in Singapore.”OKB (OKB): 13 November 2019 OKEx Cryptotour Dnipro “OKEx Cryptour Ukraine 2019 — Dnipro” in Dnipro from 6–9 PM (EET).

Encrypted project calendar(November 14, 2019)

BTC/Bitcoin: The 2019 BlockShow Asia Summit will be held at Marina Bay Sands, Singapore from November 14th to 15th.Binance Coin (BNB): and 4 others 14 November 2019 BlockShow Asia 2019 BlockShow Asia 2019 at Marina Bay Sands Expo, Singapore from November 14–15.Basic Attention Token (BAT): 14 November 2019 London Privacy Meetup “If you’re in London on Nov. 14th, don’t miss our privacy meetup! The Brave research team, our CPO @johnnyryan, as well as @UoE_EFIHorizen (ZEN): 14 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA.IOTA (MIOTA): 14 November 2019 Berlin Meetup From Construction to Smart City: IOTA, Maschinenraum & Thinkt Digital will explain, using concrete use cases, how to gain real value from..Dash (DASH): 14 November 2019 Q3 Summary Call “Dash Core Group Q3 2019 Summary Call — Thursday, 14 November 2019”NEO (NEO): 14 November 2019 NeoFest Singapore Meetup “Glad to have @Nicholas_Merten from DataDash as our host for #NeoFest Singapore meetup on 14th Nov!”

Encrypted project calendar(November 15, 2019)

TRON (TRX): 15 November 2019 Cross-chain Project “The #TRON cross-chain project will be available on Nov. 15th”Bluzelle (BLZ): 15 November 2019 (or earlier) CURIE Release CURIE release expected by early November 2019.Zebi (ZCO): 15 November 2019 ZEBI Token Swap Ends “… We will give 90 days to all the ERC 20 token holders to swap out their tokens into Zebi coins.”OKB (OKB): 15 November 2019 OKEx Talks — Vilnius “Join us for a meetup on 15 Nov (Fri) for our 1st ever Talks in Vilnius, Lithuania.”

Encrypted project calendar(November 16, 2019)

Bancor (BNT): and 2 others 16 November 2019 Crypto DeFiance-Singapore “Crypto DeFiance is a new global DeFi event embracing established innovators, financial market disruptors, DApp developers…”NEM (XEM): 16 November 2019 Developer’s Event “BLOCKCHAIN: Creation of Multifirma services” from 10:50 AM — 2 PM.

Encrypted project calendar(November 17, 2019)

OKB (OKB): 17 November 2019 OKEx Talks — Lagos Join us on 17 Nov for another OKEx Talks, discussing the “Life of a Crypto Trader”.

Encrypted project calendar(November 18, 2019)

Maker (MKR): 18 November 2019 MCD Launch “BIG changes to terminology are coming with the launch of MCD on Nov. 18th Say hello to Vaults, Dai, and Sai.”

Encrypted project calendar(November 19, 2019)

Lisk (LSK): 19 November 2019 Lisk.js “We are excited to announce liskjs2019 will take place on November 19th. This all day blockchain event will include…”

Encrypted project calendar(November 20, 2019)

OKB (OKB): 20 November 2019 OKEx Cryptour Odessa Ukr “Join us in Odessa as we journey through Ukraine for our OKEx Cryptour!”

Encrypted project calendar(November 21, 2019)

Cardano (ADA): and 2 others 21 November 2019 Meetup Netherlands (AMS) “This meetup is all about how to decentralize a blockchain, the problems and differences between Proof-of-Work and Proof-of-Stake…”Cappasity (CAPP): 21 November 2019 Virtuality Paris 2019 “Cappasity to demonstrate its solution for the interactive shopping experience at Virtuality Paris 2019.”Horizen (ZEN): 21 November 2019 Weekly Insider Team updates at 3:30 PM UTC/ 11:30 AM EDT: Engineering, Node network, Product/UX, Helpdesk, Legal, BD, Marketing, CEO Closing thoughts, AMA.OKB (OKB): 21 November 2019 OKEx Talks — Johannesburg “Join us the largest city of South Africa — Johannesburg where we will host our OKEx Talks on the 21st Nov.”IOST (IOST): 22 November 2019 Singapore Workshop Join the Institute of Blockchain for their 2nd IOST technical workshop in Singapore on 22 Nov 2019. The workshop includes IOST’s key tech.OKB (OKB): 22 November 2019 St. Petersberg Talks “Join us in St. Petersberg on 22 Nov as we answer your questions on Crypto Security. “

Encrypted project calendar(November 22, 2019)

IOST (IOST): 22 November 2019 Singapore Workshop Join the Institute of Blockchain for their 2nd IOST technical workshop in Singapore on 22 Nov 2019. The workshop includes IOST’s key techOKB (OKB): 22 November 2019 St. Petersberg Talks “Join us in St. Petersberg on 22 Nov as we answer your questions on Crypto Security. “
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submitted by liuidaxmn to u/liuidaxmn [link] [comments]

What they really don't wan't you to know about Dash!

Dash is breaking away with regards to integrations, partnerships and developments that advocates of other Crypto Currencies have become frightened of Dash's future dominance. Unfortunately for most of these other Crypto Currency projects Dash as a platform is well and truly in the driving seat on so many levels.
Lets take a look at some of the achievements in 2017 and upcoming events:
More big news still to come in the coming month
Edit: Fixed typos, added new items & links
submitted by goto1415 to dashpay [link] [comments]

AMA with Wanchain VP Lini

AMA with Wanchain VP Lini
Original article here: https://medium.com/wanchain-foundation/ama-with-wanchain-vp-lini-58ada078b4fe

“What is unique about us is that we have actually put theory into practice.”
— Lini
https://preview.redd.it/n6lo2xcmtn621.png?width=800&format=png&auto=webp&s=281acce4b45eed8acf0c52b201d01cb6f0d13507
https://preview.redd.it/10aj3ointn621.png?width=800&format=png&auto=webp&s=6a187e8a6eb5ac0445ddc73d5b0f9077f12bce39
Wanchain’s Vice President of Business Development, Lini, sat down with blockchain media organization Neutrino for an AMA covering a wide range of topics concerning Wanchain’s development.
The following is an English translation of the original Chinese AMA which was held on December 13th, 2018:
Neutrino: Could you please first share with us a little basic background, what are the basic concepts behind cross chain technology? What are the core problems which are solved with cross-chain? In your opinion, what is the biggest challenge of implementing cross chain to achieve value transfer between different chains?
Lini: Actually, this question is quite big. Let me break it down into three smaller parts:
  1. First, what is the meaning of “cross-chain”?
https://preview.redd.it/cpui6t7qtn621.png?width=720&format=png&auto=webp&s=86bc39d94b0713949c150598e2397a4f9d3ac491
In China, we like to use the word “cross-chain”, the term “interoperability” is used more frequently in foreign countries. Interoperability is also one of the important technologies identified by Vitalik for the development of a future blockchain ecosystem mentioned in the Ethereum white paper. So cross-chain is basically the concept of interoperability between chains.
  1. The core problem solved by cross chain is that of “multi-ledger” synchronous accounting
https://preview.redd.it/603dl86stn621.png?width=720&format=png&auto=webp&s=425b827298ac919f8cf05909037458a173100cc4
In essence, blockchain is a distributed bookkeeping technique, also known as distributed ledger technology. Tokens are the core units of account on each chain, there currently exist many different chains, each with their own token. Of especial importance is the way in which each ledger uses tokens to interact with each other for the purpose of clearing settlements.
  1. The core purpose of the cross-chain technology is as one of the key infrastructures of the future economy based on digital currencies.
https://preview.redd.it/3d61f26utn621.png?width=720&format=png&auto=webp&s=b735482c9734e1d32176e406adce1718be20583e
Cross chain technology is one of the foundational technological infrastructures that is necessary for the large scale application of blockchain technology.
Neutrino: As we all know, there are many different kinds of cross-chain technologies. Please give us a brief introduction to several popular cross-chain technologies on the market, and the characteristics of each of these technologies。
Lini: Before answering this question, it is very important to share two important concepts with our friends: heterogeneity and homogeneity, and centralization and decentralization.
https://preview.redd.it/n6wbs77wtn621.png?width=720&format=png&auto=webp&s=83fcadd09afb214d2aa5a2a6deb6c24d0d4da671
These two points are especially important for understanding various cross-chain technologies, because there are many different technologies and terminologies, and these are some of the foundational concepts needed for understanding them.
There are also two core challenges which must be overcome to implement cross-chain:
https://preview.redd.it/84wqd28ytn621.png?width=720&format=png&auto=webp&s=dafe1cd2993f853547b532421404e6ab86e185f1
Combining the above two points, we look at the exploration of some solutions in the industry and the design concepts of other cross-chain projects.
First I’d like to discuss the Relay solution.
https://preview.redd.it/qgcqiwlztn621.png?width=720&format=png&auto=webp&s=0925d4221c9e92e365e150638c645bef8c609b3f
However the Relay solution must consume a relatively large amount of gas to read the BTC header. Another downside is that, as we all know, Bitcoin’s blocks are relatively slow, so the time to wait for verification will be long, it usually takes about 10 minutes to wait for one block to confirm, and the best practice is to wait for 6 blocks.
The next concept is the idea of Sidechains.
https://preview.redd.it/9cg79bl1un621.png?width=720&format=png&auto=webp&s=1260e14213b1757eadc4b6141a365ed3b0e20316
This solution is good, but not all chains contain SPV, a simple verification method. Therefore, there are certain drawbacks. Of course, this two way peg way solves challenge beta very well, that is, the atomicity of the transaction.
These two technical concepts have already been incorporated into a number of existing cross chain projects. Let’s take a look at two of the most influential of these.
The first is Polkadot.
https://preview.redd.it/1o3xwz93un621.png?width=720&format=png&auto=webp&s=249909a33b5420050a6010b961a944285fc94926
This is just a summary based on Polkadot’s whitepaper and most recent developments. The theoretical design is very good and can solve challenges alpha and beta. Last week, Neutrino organized a meetup with Polkadot, which we attended. In his talk, Gavin’s focus was on governance, he didn’t get into too much technical detail, but Gavin shared some very interesting ideas about chain governance mechanisms! The specific technical details of Polkadot may have to wait until after their main net is online before it can be analyzed.
Next is Cosmos.
https://preview.redd.it/5gtjf6x4un621.png?width=720&format=png&auto=webp&s=94d6408ff65dc7041316f0130867888e108848b2
Cosmos is a star project who’s basic concept is similar to Polkadot. Cosmos’s approach is based on using a central hub. Both projects both take into account the issue of heterogeneous cross-chain transactions, and both have also taken into account how to solve challenges alpha and beta.
To sum up, each research and project team has done a lot of exploration on the best methods for implementing cross-chain technology, but many are still in the theoretical design stage. Unfortunately, since the main net has not launched yet, it is not possible to have a more detailed understanding of each project’s implementation. A blockchain’s development can be divided into two parts: theoretical design, and engineering implementation. Therefore, we can only wait until after the launch of each project’s main network, and then analyze it in more detail.
Neutrino: As mentioned in the white paper, Wanchain is a general ledger based on Ethereum, with the goal of building a distributed digital asset financial infrastructure. There are a few questions related to this. How do you solve Ethereum’s scaling problem? How does it compare with Ripple, which is aiming to be the standard trading protocol that is common to all major banks around the world? As a basic potential fundamental financial infrastructure, what makes Wanchain stand out?
Lini: This question is actually composed of two small questions. Let me answer the first one first.
  1. Considerations about TPS.
First of all, Wanchain is not developed on Ethereum. Instead, it draws on some of Ethereum’s code and excellent smart contracts and virtual machine EVM and other mature technical solutions to build the mainnet of Wanchain.
The TPS of Ethereum is not high at this stage, which is limited by various factors such as the POW consensus mechanism. However, this point also in part is due to the characteristics of Ethereum’s very distributed and decentralized features. Therefore, in order to improve TPS, Wanchain stated in its whitepaper that it will launch its own POS consensus, thus partially solving the performance issues related to TPS. Wanchain’s POS is completely different from the POS mechanism of Ethereum 2.0 Casper.
Of course, at the same time, we are also paying close attention to many good proposals from the Ethereum community, such as sharding, state channels, side chains, and the Raiden network. Since blockchain exists in the world of open source, we can of course learn from other technological breakthroughs and use our own POS to further improve TPS. If we have some time at the end, I’d love to share some points about Wanchain’s POS mechanism.
  1. Concerning, Ripple, it is completely different from what Wanchain hopes to do.
Ripple is focused on exchanges between different fiat pairs, the sharing of data between banks and financial institutions, as a clearing and settlement system, and also for the application of DLT, for example the Notary agent mechanism.
Wanchain is focused on different use cases, it is to act as a bridge between different tokens and tokens, and between assets and tokens. For various cross-chain applications it is necessary to consume WAN as a gas fee to pay out to nodes.
So it seems that the purpose Ripple and Wanchain serve are quite different. Of course, there are notary witnesses in the cross-chain mechanism, that is, everyone must trust the middleman. Ripple mainly serves financial clients, banks, so essentially everyone’s trust is already there.
Neutrino: We see that Wanchain uses a multi-party computing and threshold key sharing scheme for joint anchoring, and achieves “minimum cost” for integration through cross-chain communication protocols without changing the original chain mechanism. What are the technical characteristics of multi-party computing and threshold key sharing? How do other chains access Wanchain, what is the cross-chain communication protocol here? What is the cost of “minimum cost?
Lini: The answer to this question is more technical, involving a lot of cryptography, I will try to explain it in a simple way.
  1. About sMPC -
It stands for secure multi-party computation. I will explain it using an example proposed by the scholar Andrew Yao, the only Turing Award winner in China. The scenario called Yao’s Millionaire Problem. How can two millionaires know who is wealthier without revealing the details of their wealth to each other or a trusted third party? I’m not going to explain the answer in detail here, but those who are interested can do a web search to learn more.
In sMPC multiple parties each holding their own piece of private data jointly perform a calculation (for example, calculating a maximum value) and obtain a calculation result. However, in the process, each party involved does not leak any of their respective data. Essentially sMPC calculation can allow for designing a protocol without relying on any trusted third parties, since no individual ever has access to the complete private information.
Secure multiparty computing can be abstractly understood as two parties who each have their own private data, and can calculate the results of a public function without leaking their private data. When the entire calculation is completed, only the calculation results are revealed to both parties, and neither of them knows the data of the other party and the intermediate data of the calculation process. The protocol used for secure multiparty computing is homomorphic encryption + secret sharing + OT (+ commitment scheme + zero knowledge proofs, etc.)
Wanchain’s 21 cross chain Storeman nodes use sMPC to participate in the verification of a transaction without obtaining of a user’s complete private key. Simply put, the user’s private key will have 21 pieces given to 21 anonymous people who each can only get 1/21 part, and can’t complete the whole key.
  1. Shamir’s secret sharing
There are often plots in a movie where a top secret document needs to be handed over to, let’s say five secret agents. In order to protect against the chance of an agent from being arrested or betraying the rest, the five agents each hold only part of a secret key which will reveal the contents of the documents. But there is also a hidden danger: if one the agents are really caught, how can the rest of the agents access the information in the documents? At this point, you may wonder if there is any way for the agents to still recover the original text with only a portion of the keys? In other words, is there any method that allows a majority of the five people to be present to unlock the top secret documents? In this case, the enemy must be able to manipulate more than half of the agents to know the information in the secret documents.
Wanchain uses the threshold M<=N; N=21; M=16. That is to say, at least 16 Storeman nodes must participate in multi-party calculation to confirm a transaction. Not all 21 Storeman nodes are required to participate. This is a solution to the security problem of managing private keys.
Cross-chain communication protocols refers to the different communication methods used by different chains. This is because heterogeneous cross-chain methods can’t change the mechanism of the original chains. Nakamoto and Vitalik will not modify their main chains because they need BTC and ETH interoperability. Therefore, project teams that can only do cross-chain agreements to create different protocols for each chain to “talk”, or communicate. So the essence of a cross-chain protocol is not a single standard, but a multiple sets of standards. But there is still a shared sMPC and threshold design with the Storeman nodes.
The minimum cost is quite low, as can be shown with Wanchain 3.0’s cross chain implementation. In fact it requires just two smart contracts, one each on Ethereum and Wanchain to connect the two chains. To connect with Bitcoin all that is needed is to write a Bitcoin script. Our implementation guarantees both security and decentralization, while at the same time remaining simple and consuming less computation. The specific Ethereum contract and Bitcoin scripts online can be checked out by anyone interested in learning more.
Neutrino: What kind of consensus mechanism is currently used by Wanchain? In addition, what is the consensus and incentive mechanism for cross-chain transactions, and what is the purpose of doing so? And Wanchain will support cross-chain transactions (such as BTC, ETH) on mainstream public chains, asset cross-chain transactions between the alliance chains, and cross-chain transactions between the public and alliance chains, how can you achieve asset cross-chain security and privacy?
Lini: It is now PPOW (Permissioned Proof of Work), in order to ensure the reliability of the nodes before the cross-chain protocol design is completed, and to prepare to switch to POS (as according to the Whitepaper roadmap). The cross-chain consensus has been mentioned above, with the participation of a small consensus (at least 16 nodes) in a set of 21 Storeman nodes through sMPC and threshold secret sharing.
In addition, the incentive is achieved through two aspects: 1) 100% of the cross chain transaction fee is used to reward the Storeman node; 2) Wanchain has set aside a portion of their total token reserve as an incentive mechanism for encouraging Storeman nodes in case of small cross-chain transaction volume in the beginning.
It can be revealed that Storeman participation is opening gradually and will become completely distributed and decentralized in batches. The first phase of the Storeman node participation and rewards program is to be launched at the end of 2018. It is expected that the selection of participants will be completed within one quarter. Please pay attention to our official announcements this month.
In addition, for public chains, consortium chains, and private chains, asset transfer will also follow the cross-chain mechanism mentioned above, and generally follow the sMPC and threshold integration technology to ensure cross-chain security.
When it comes to privacy, this topic will be bigger. Going back to the Wanchain Whitepaper, we have provided privacy protection on Wanchain mainnet. Simply put, the principle is using ring signatures. The basic idea is that it mixes the original address with many other addresses to ensure privacy. We also use one-time address. In this mechanism a stamp system is used that generates a one-time address from a common address. This has been implemented since our 2.0 release.
But now only the privacy protection of native WAN transactions can be provided. The protection of cross-chain privacy and user experience will also be one of the important tasks for us in 2019.
Neutrino: At present, Wanchain uses Storeman as a cross-chain trading node. Can you introduce the Storeman mechanism and how to protect these nodes?
Lini: Let me one problem from two aspects.
  1. As I introduced before in my explanation of sMPC, the Storeman node never holds the user’s private key, but only calculates the transaction in an anonymous and secure state, and the technology prevents the Storeman nodes from colluding.
  2. Even after technical guarantees, we also designed a “double protection” against the risk from an economic point of view, that is, each node participating as a Storeman needs to pledge WAN in the contract as a “stake”. The pledge of WAN will be greater than the amount of any single transaction as a guarantee against loss of funds.
If the node is malicious (even if it is a probability of one in a billion), the community will be compensated for the loss caused by the malicious node by confiscation of the staked WAN. This is like the POS mechanism used by ETH, using staking to prevent bad behavior is a common principle.
Neutrino: On December 12th, the mainnet of Wanchain 3.0 was launched. Wanchain 3.0 opened cross-chain transactions between Bitcoin, Ethereum and ERC20 (such as MakerDao’s stable currency DAI and MKR). What does this version mean for you and the industry? This upgrade of cross-chain with Bitcoin is the biggest bright spot. So, if now you are able to use Wanchain to make transactions between what is the difference between tokens, then what is the difference between a cross chain platform like Wanchain and cryptocurrency exchanges?
Lini: The release of 3.0 is the industry’s first major network which has crossed ETH and BTC, and it has been very stable so far. As mentioned above, many cross-chain, password-protected theoretical designs are very distinctive, but for engineering implementation, the whether or not it can can be achieved is a big question mark. Therefore, this time Wanchain is the first network launched in the world to achieve this. Users are welcome to test and attack. This also means that Wanchain has connected the two most difficult and most challenging public networks. We are confident we will soon be connecting other well-known public chains.
At the same time of the release of 3.0, we also introduced cross chain integration with other ERC20 tokens in the 2.X version, such as MakerDao’s DAI, MKR, LRC, etc., which also means that more tokens of excellent projects on Ethereum will also gradually be integrated with Wanchain.
Some people will be curious, since Wanchain has crossed so many well-known public chains/projects; how is it different with crypto exchanges? In fact, it is very simple, one centralized; one distributed. Back to the white paper of Nakamoto, is not decentralization the original intention of blockchain? So what Wanchain has to do is essentially to solve the bottom layer of the blockchain, one of the core technical difficulties.
Anyone trying to create a DEX (decentralized exchange); digital lending and other application scenarios can base their application on Wanchain. There is a Wanchain based DEX prototype made by our community members Jeremiah and Harry, which quite amazing. Take a look at this video below.
https://www.youtube.com/watch?v=codcqb66G6Q
Neutrino: What are the specific application use cases after the launch of Wanchain 3.0? Most are still exploring small-scale projects. According to your experience, what are the killer blockchain applications of the future? What problems need to be solved during this period? How many years does it take?
Lini:
  1. Wanchain is just a technology platform rather than positioning itself as an application provider; that is, Wanchain will continue to support the community, and the projects which use cross-chain technology to promote a wide range of use cases for Wanchain.
  2. Cross-chain applications that we anticipate include things like: decentralized exchanges, digital lending, cross chain games, social networking dAPPs, gambling, etc. We also expect to see applications using non fungible tokens, for example exchange of real assets, STOs, etc.
  3. We recently proposed the WanDAPP solution. Simply speaking, a game developer for example has been developing on Ethereum, and ERC20 tokens have been issued, but they hope to expand the player base of their games to attract more people. To participate and make full use of their DAPP, you can consider using the WanDAPP solution to deploy the game DAPP on other common platforms, such as EOS, TRON, etc., but you don’t have to issue new tokens on these chains or use the previous ERC20 tokens. In this way the potential user population of the game can be increased greatly without issuing more tokens on a new chain, improving the real value of the original token. This is accomplished completely using the cross-chain mechanism of Wanchain.
  4. For large-scale applications, the infrastructure of the blockchain is not yet complete, there are issues which must first be dealt with such as TPS, sharding, sidechains, state channels, etc. These all must be solved for the large-scale application of blockchain applications. I don’t dare to guess when it will be completed, it depends on the progress of various different technical projects. In short, industry practitioners and enthusiasts need a little faith and patience.
Neutrino community member Block Venture Capital Spring: Will Wanchain be developing any more cross chain products aimed at general users? For example will the wallet be developed to make automatic cross chain transfers with other public chains? Another issue the community is concerned about is the currency issuance. Currently there are more than 100 million WAN circulating, what about the rest, when will it be released?
Lini: As a cross-chain public chain, we are not biased towards professional developers or ordinary developers, and they are all the same. As mentioned above, we provide a platform as infrastructure, and everyone is free to develop applications on us.
For example, if it is a decentralized exchange, it must be for ordinary users to trade on; if it is some kind of financial derivatives product, it is more likely to be used by finance professionals. As for cross-chain wallets which automatically exchange, I’m not sure if you are talking about distributed exchanges, the wallet will not be “automatic” at first, but you can “automatically” redeem other tokens.
Finally, the remaining WAN tokens are strictly in accordance with the plan laid out in the whitepaper. For example, the POS node reward mentioned above will give 10% of the total amount for reward. At the same time, for the community, there are also rewards for the bounty program. The prototype of the DEX that I just saw is a masterpiece of the overseas community developers, and also received tokens from our incentive program.
Neutrino community member’s question: There are many projects in the market to solve cross-chain problems, such as: Cosmos, Polkadot, what are Wanchain’s advantages and innovations relative to these projects?
Lini: As I mentioned earlier, Cosmos and pPolkadot all proposed very good solutions in theory. Compared with Wanchain, I don’t think that we have created anything particularly unique in our theory. The theoretical basis for our work is cryptography, which is derived from the academic foundation of scholars such as Yao Zhizhi and Silvio Micali. Our main strong point is that we have taken theory and put it into practice..
Actually, the reason why people often question whether a blockchain project can be realized or not is because the whitepapers are often too ambitious. Then when they actually start developing there are constant delays and setbacks. So for us, we focus on completing our very solid and realizable engineering goals. As for other projects, we hope to continue to learn from each other in this space.
Neutrino community member Amos from Huobi Research Institute question: How did you come to decide on 21 storeman nodes?
Lini: As for the nodes we won’t make choices based on quantity alone. The S in the POS actually also includes the time the tokens are staked, so that even if a user is staking less tokens, the amount of time they stake them for will also be used to calculate the award, so that is more fair. We designed the ULS (Unique Leader Selection) algorithm in order to reduce the reliance on the assumption of corruption delay (Cardano’s POS theory). which is used for ensuring fairness to ensure that all participants in the system can have a share of the reward, not only few large token holders.
Wu Di, a member of the Neutrino community: Many big exchanges have already begun to deploy decentralized exchanges. For example, Binance, and it seems that the progress is very fast. Will we be working with these influential exchanges in the future? We we have the opportunity to cooperate with them and broaden our own influence?
Lini: I also have seen some other exchange’s DEX. Going back the original point, distributed cross-chain nodes and centralized ones are completely different. I’m guessing that most exchanges use a centralized cross-chain solution, so it may not be the same as the 21 member Storeman group of Wanchain, but I think that most exchanges will likely be using their own token and exchange system. This is my personal understanding. But then, if you are developing cross chain technology, you will cooperate with many exchanges that want to do a DEX. Not only Binance, but also Huobi, Bithumb, Coinbase… And if there is anyone else who would like to cooperate we welcome them!
Neutrino community member AnneJiang from Maker: Dai as the first stable chain of Wanchain will open a direct trading channel between Dai and BTC. In relation to the Dai integration, has any new progress has been made on Wanchain so far?
Lini: DAI’s stable currency has already been integrated on Wanchain. I just saw it yesterday, let me give you a picture. It’s on the current 3.0 browser, https://www.wanscan.org/, you can take a look at it yourself.
This means that users with DAI are now free to trade for BTC, or ETH or some erc20 tokens. There is also a link to the Chainlink, and LRC is Loopring, so basically there are quite a few excellent project tokens. You may use the Wanchain to trade yourself, but since the DEX is not currently open, currently you can only trade with friends you know.
https://preview.redd.it/jme5s99bun621.png?width=800&format=png&auto=webp&s=7ba3d430ba3e7ddcab4dbcdedc05d596d832f5a7

About Neutrino

Neutrino is a distributed, innovative collaborative community of blockchains. At present, we have established physical collaboration spaces in Tokyo, Singapore, Beijing, Shanghai and other places, and have plans to expand into important blockchain innovation cities such as Seoul, Thailand, New York and London. Through global community resources and partnerships, Neutrino organizes a wide range of online an offline events, seminars, etc. around the world to help developers in different regions better communicate and share their experiences and knowledge.

About Wanchain

Wanchain is a blockchain platform that enables decentralized transfer of value between blockchains. The Wanchain infrastructure enables the creation of distributed financial applications for individuals and organizations. Wanchain currently enables cross-chain transactions with Ethereum, and today’s product launch will enable the same functionalities with Bitcoin. Going forward, we will continue to bridge blockchains and bring cross-chain finance functionality to companies in the industry. Wanchain has employees globally with offices in Beijing (China), Austin (USA), and London (UK).
You can find more information about Wanchain on our website. Additionally, you can reach us through Telegram, Discord, Medium, Twitter, and Reddit. You can also sign up for our monthly email newsletter here.
https://preview.redd.it/w7ezx27dun621.png?width=720&format=png&auto=webp&s=6ef7a651a2d480658f60d213e1431ba636bfbd8c
submitted by maciej_wan to wanchain [link] [comments]

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