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On January 7, the official Twitter of Ethereum Classic ETC stated that there were rumors that a double-spending attack might occur, but as far as it is known, the ETC network is currently operating normally. According to previous news, SlowMist Technology has issued an early warning that a 51% attack may occur on Ethereum Classic (ETC).

digital currency

digital currency

People familiar with the matter: Japan may approve ETF funds that track cryptocurrencies

Japanese financial regulators have dropped plans to allow cryptocurrency-based financial derivatives to list, but the Financial Services Agency (FSA) is currently evaluating ETFs that track cryptocurrencies or will still approve ones that track such asset classes, people familiar with the matter said. Exchange-traded funds (ETFs). ETFs listed on the larger and more liquid Japanese stock market could attract more investor interest. These conclusions may become the basis for supporting the Japanese Liberal Democratic Party to submit a bill in the Diet that ends in March this year. The ultimate goal of the bill is to become a formal law in 2020.

Data: Less than 1% of addresses hold nearly $62 billion in Bitcoin

Data: Less than 1% of addresses hold nearly $62 billion in Bitcoin

According to BTC data statistics, as of January 7, 2019, the number of bitcoin holding addresses is about 22.65 million. Among them, the number of addresses holding less than 1 BTC accounted for about 97.2%; the number of addresses holding more than 1 BTC accounted for about 2.8%; and the number of addresses holding more than 10 BTC accounted for less than 1%. 0.7%. Based on the bitcoin circulation market value of US$71 billion, it means that less than 1% of the addresses hold nearly US$62 billion in bitcoin. According to industry insiders, judging from the current trend of repeated sharp drops in bitcoin prices, the vast majority of bitcoin holders have been excluded from the ranks of the rich, and only a small number of people with concentrated chips still have the power to fight. A small number of "key players" in the game can have a huge impact on the entire bitcoin market.

On January 3, Singaporean cryptocurrency exchange BiteBTC.com tweeted that its data center suffered a "fire" on the 1st, so it seems that some data stored on the main server and backup server were destroyed. But the exchange did not provide any images or contact with local authorities, nor did it tell users if there were reports of fires near where its servers are located. It is reported that starting on January 3, users began to complain that they could not process withdrawals or log in to their accounts. The exchange also continued to accept new users, who were able to make deposits, but old accounts were blocked from the platform.

On January 6, artist and organizer Pascal Boyart posted on Reddit that he had launched a treasure hunt to celebrate the tenth anniversary of the Bitcoin genesis block. It is reported that Boyart painted a mural somewhere in Paris, which contains a 0.26 BTC (worth $1,000) puzzle with the public key: 1NqPwPp7hEXZ3Atj77Ue11xAEMmXqAXwrQ.

Blockchain industry

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Blockchain industry

According to the average score of CCID's global public chain technology evaluation index (Phase 1-8), after review by expert consultants, CCID's 2018 annual list of top ten public chain applications (in no particular order), is : Dash, ETH, EOS, GXChain, Lisk, Nebulas, NEO, Ontology, Qtum, and Stellar.

Alipay mini program open capabilities include blockchain technology

In terms of open capabilities, in addition to the familiar credit system, the Alipay applet has also opened up many components in the Ali system such as Huabei payment, face recognition, anti-cheating, blockchain, location-based services, and delivery capabilities. The open capabilities include: marketing anti-cheating capabilities, face recognition capabilities, blockchain technology capabilities, AutoNavi's location-based service capabilities, and Cainiao and Ele.me's delivery capabilities.

Pharmagest Group Acquires 15% Stake in Healthcare Blockchain Technology Startup Embleema

Pharmagest Group Acquires 15% Stake in Healthcare Blockchain Technology Startup Embleema

Pharmagest Group, a French pharmaceutical information technology company, announced a partnership with healthcare blockchain technology startup Embleema to develop blockchain-based shared health data applications. At the same time, the Pharmages Group acquired a 15% stake in Embleema Capital.

ASIC mining machine manufacturer Linzhi officially denies that it has anything to do with ETC block reorganization

According to CoinDesk reporter Nikhilesh De on Twitter, Linzhi Shenzhen Operations Director Wolfgang Spraul refuted the claim that "Linzhi participated in the Ethereum Classic (ETC) block reorganization", Spraul said: "We categorically deny such claims, they are completely baseless , and may be part of the attack itself." Ethereum Classic (ETC) tweeted earlier that they believe that the over 50% hash rate may be because Linzhi is testing new mining machines up to 1400/Mh. It is reported that Linzhi is a mining machine manufacturing company founded by the former chief chip engineer of Canaan Zhizhi.

Weibo blogger "Ethereum Classic ETC" posted on Weibo that the security team SlowMist Technology of Ethereum Classic ETC has detected abnormal block rollbacks since yesterday and issued an early warning. The ETC community immediately followed up the development of the incident, and we learned that there is a private mining pool (address: 0x3ccC8F7415e09BEAd930dc2B23617bD39ceD2C06) whose computing power reaches more than 50% of the entire network’s computing power at certain times. So far, the ETC network has not had a substantial impact, and the purpose of the perpetrators is temporarily unclear. In order to prevent potential possible attacks, we call on exchanges, mining pools, etc. to increase the confirmation time of deposit and withdrawal (+400) until the warning is lifted.

People's Daily statistics list of MLM organizations: Multiple operating models are virtual currencies

On January 7, Xia Kedao (a new media brand column of the Overseas Edition of the People’s Daily) published a post on its WeChat official account, mentioning that financial pyramid schemes are also one of the pyramid schemes, that is, to lure investment by promising high returns. Common specific cases of this type of pyramid scheme include Kuailu Group, Kaixin Ranch, Carat Coin, etc. Taking MBI financial management as an example, the organization uses an amount ranging from 100 to 5,000 US dollars as the entry fee, and blockchain and physical store consumption patterns are frequent. In addition, a list of 102 MLM organizations according to the latest statistics from the People's Daily is attached at the end of the article, most of which operate in virtual currency.

Four investors in Hong Kong encrypted mining machines claimed that they were deceived by "Currency Master" Huang Zhengjie to buy encrypted currency mining machines, and the losses amounted to 3 million Hong Kong dollars. The investors demanded a full refund from Huang Zhengjie. It was previously reported that Huang Chengjie, a Hong Kong man who calls himself "Master Coin", has been arrested by the Hong Kong police for throwing banknotes from the roof.

global policy

global policy

The U.S. state of Colorado introduced the Colorado Digital Token Act on Friday, which includes exemptions from certain securities laws for cryptocurrencies. The bill explains that Colorado businesses "face regulatory uncertainty" under the state's securities laws. In addition to defining digital tokens, the bill states that “the cost and complexity of state securities registration may outweigh the benefits” for businesses operating “primarily for consumer purposes” in the cryptocurrency space in Colorado. According to the Act, the purpose of consumption "means the supply or receipt of goods, services or content, including the acquisition of goods, services or content". The bill further asserts that the new bill will enable businesses in the state to “leverage the cryptoeconomic system for growth capital to help them grow and expand.”

Character·Voice

Character·Voice

Liu Dacheng, Tsinghua University: Use the "dual-chain integration" of supply chain and blockchain to solve the problem of cross-integration and allocation of resources between different industrial chains

The Economic Reference Newspaper published the article "Innovation of China's Logistics Industry under the Integration of Double Chains" by Liu Dacheng of Tsinghua University, which mentioned that "dual chain integration" refers to making full use of the two unique advantages of the blockchain to make up for the two shortcomings of the supply chain. ; Use the two strengths of the supply chain to solve the two pain points of the blockchain. The two unique advantages of the blockchain are "trustlessness" and "disintermediation"; the two advantages of the supply chain are the decentralized upstream and downstream organization scenarios and the closed industrial chain ecology of the upstream and downstream. The "dual-chain fusion" of supply chain and blockchain fundamentally solves the problem of cross-integration and allocation of resources between different parallel industrial chains. From the perspective of input and output, what the supply chain solves may be "a lot of profit", while the dual-chain integration may solve "no cost and a lot of profit".

Changpeng Zhao: Believe in thousands of blockchains and millions of tokens, freedom means choice

Changpeng Zhao: Believe in thousands of blockchains and millions of tokens, freedom means choice

Zhao Changpeng commented under the Twitter vote of Litecoin founder Li Qiwei, "I am very happy to see the final result. But I believe in thousands of blockchains and millions of tokens. Freedom means choice." Previously reported , Li Qiwei initiated a vote on BTC maximalism, BTC maximalism, altcoin maximalism, and coinlessness. At present, nearly 20,000 people participated in the vote, and nearly 50% of the voters said they were Bitcoin maximalists (Bitcoin Maximalist). ), supporting that Bitcoin will still dominate in the future.