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Technology Weekly|Ethereum and Web3 Foundation both announced the second quarter ecological appropriation



This week's Technology Weekly contains technical news about the three networks of Ethereum, Polkadot, and Filecoin.

Ethereum client Geth has launched v1.9.21 version

Ethereum core developer Péter Szilágyi tweeted this week that the Ethereum client Geth has launched version v1.9.21. It is reported that this version can quickly synchronize memory and avoid crashes caused by OOM, ensuring stable use.

Ethereum Foundation allocates $3.884 million to teams in Q2

On September 8, the Ethereum Foundation released the second quarter update of its ecosystem support plan. According to the announcement, the Ethereum Foundation allocated a total of $3.884 million to teams in the second quarter.

Ethereum Co-Founder: Ethereum 2.0 is Coming, Enterprise Adoption Still Takes Time

This week, Ethereum co-founder and ConsenSys founder Joseph Lubin said in an interview that Ethereum 2.0 is coming and is now in the middle of what they believe to be the final testnet. Among the many Ethereum 2.0 clients built by different teams, there have been many smooth operations on the testnet. Although Ethereum 2.0 has made significant progress, it is important to point out that enterprise adoption may take some time. Lubin commented that the third phase of Ethereum 2.0 will take place in the second half of 2021 or sometime in 2022. Once that happens, there will be the ability to smoothly accept clients from Ethereum 1.0.

Baoxin Financial Economist: Blockchain technology is about to enter a stage of steady advancement: Zheng Lei, Chief Economist of Baoxin Financial, said that with the introduction of regulatory policies, a large number of mining machines are flowing from the mainland to overseas. There may still be small-scale non-governmental mining activities, and social supervision should continue to be strengthened, and related issues reported should be dealt with seriously. It believes that the application direction of blockchain technology has been clarified and is about to enter a stage of steady advancement. However, there are still some bottlenecks to be solved in terms of blockchain computing and storage to meet the needs of high-frequency applications. (Securities Daily) [2021/7/6 0:29:30]

When the participation rate of the Ethereum 2.0 test network is too low, the withdrawal of giant whales may cause failure

Lior Yaffe, co-founder of Jelurida, said that he discovered a weakness in the Ethereum 2.0 test network. Ethereum 2.0 requires a minimum participation rate of 66%. Participation rates dropping below 66% caused network problems.

If 10% of ETH is pledged and the network participation rate is 75%, reducing the participation rate by 9% only needs to control 0.9% of the ETH in circulation, which can be achieved by large whales and medium exchanges, while Binance, Coinbase, Vitalik, etc. Both institutions and individuals hold more than 0.16% of the total amount of Ethereum. Developer Raul Jordan said that the participation rate is estimated to be around 99%. If the attacker wants to attack, he needs 25,000 verification nodes with a pledge of 33%, which is worth about $100 million, and the attack will cause losses to multiple parties, including the attacker himself. (Decrypt)

Jiaxin Silk: Jincanwang supply chain company is already using blockchain technology: Jiaxin Silk said on the interactive platform: Jincanwang supply chain company has been using blockchain technology to establish a traceability mechanism and improve the entire process of commodities The warehouse management platform ensures the transparency and disclosure of transaction information, improves the efficiency of management and operation, and further promotes the integrated development of the upstream and downstream of the silk industry. [2020/9/3]

Web3 Foundation Announces the Second Quarter Winners of the Grant Grant Program Equilibrium and Other Projects Selected

The Web3 Foundation officially announced the winners of the second quarter of the Grant subsidy program this week, as follows:

1. Developer Tools: Webassembly Security, Finoa, ETCDEV, LimeChain, Aleksandr Krupenkin, Fortmatic, PureStake, TerenceGe, Adoriasoft, Equilibrium, LimeChain, P2P Validator, Flex Dapps. the

2. Wallets and interfaces: HashQuark, BUIDL Labs, BoBao Technologies, Zondax, Ethworks, Chevdor, WEB3SCAN, MVP Workshop, Faber, Lunie, Zondax. the

Global Printing: Related blockchain drug traceability technology has entered the research and development stage: On June 1, Global Printing (002799.SZ) stated in response to investors' questions that the company's blockchain technology mainly revolves around drug traceability, pharmaceutical logistics and The supply chain management and other three major areas are developed and applied relying on the company's existing data advantages, customer advantages, platform advantages and resource advantages. At present, the project team is in place, and the relevant drug traceability technology has entered the research and development stage, and a simulation scene is being built for related technical tests. (Flush)[2020/6/1]

3. New operating environment modules and DApps: Crust Network, Usetech, Phala.Network, Laminar One, Soramitsu, Dipole Tech. 4. Validator monitoring, alerting and deployment tools: Protofire, Insight. (Polkadot Chinese platform)

P2P Validator and Web3 Foundation Collaborate to Build Polkadot and Filecoin Connection Scheme

On September 7, the non-custodial pledge network P2P Validator officially announced that it will cooperate with the Web3 Foundation and Protocol Labs to create an ETL solution with a unified API, so as to establish a work to connect the Polkadot and Filecoin ecosystems. It is reported that ETL is a common term in data warehouse technology, which refers to the process of extracting, transforming, and loading data from the source to the destination.

Voice | Wu Changhai, China University of Political Science and Law: There are three major challenges in terms of technology and other aspects of issuing digital renminbi: According to the Beijing News, recently, in response to the current difficulties in the central bank's issuance of legal digital currency, Wu Changhai, deputy director of the Institute of Capital Finance, China University of Political Science and Law, said , At present, the issuance of digital RMB faces the following three major challenges: one is technical problems, the other is that the RMB cannot flow freely under the capital account, and the third is the use of digital currency to commit crimes. [2019/8/22]

ConsenSys: Web3Signer tool and Lotus client integration will improve Filecoin network security

Blockchain technology company ConsenSys tweeted this week: Our Web3Signer tool and Lotus client will now be integrated, which will simplify the management of Filecoin network keys and improve the security of Filecoin network users and miners. We are excited to support Filecoin ahead of its mainnet launch in the fall.

Filecoin mainnet launch window will end on September 28

On the morning of September 10th, the Filecoin team once again launched an AMA event for the community. In response to questions, the official stated that the tentative mainnet launch window will end on September 28, and of course, this time will be revised. At the same time, when asked "whether the algorithm will be modified after the main network is launched", the official stated that after the main network is launched, Filecoin will carry out network upgrades, introduce new proof mechanisms, user-defined contracts, node specification improvements, etc. wait.

Voice | Wu Jun: Blockchain technology is immature, 99% of people use it to make quick money: Recently, Silicon Valley venture capitalist Wu Jun said in an interview: "Today I can say with certainty that 99% of people don't (get) The blockchain is doing serious things, because everyone sees that it is too close to digital currency. A very good result." [2018/8/15]

Filecoin Announces Winners of "Virtual Hackathon"

According to Filecoin official news, after the announcement of SpaceRace (a global competition for Filecoin miners), Filecoin announced the winners of the "Virtual Hackathon". The first winner is the DeepVerse team; the second winner is the Filecoin pricing mechanism; the third winner The author is the team behind the Filecoin Research Repository; previously reported that Filecoin will hold a 30-day "virtual hackathon" from July 6 to August 6. According to reports, HackFS aims to lay the foundation for a decentralized network. Developers will build dapps, game development tools, DeFi integrations, and other tricks to leverage decentralized storage.

Filecoin founder: Big miners need to pay attention to Filecoin's basic handling fee

Regarding the recent increase in Filecoin Gas fees, Filecoin founder Juan Bennett said in the Slack community: We need to pay attention to Filecoin's basic handling fees and use the latest message filtering code (0.6.0+). At the same time, miners cannot add some blocks that do not belong there in order to change the basic handling fee rate, otherwise the basic handling fee will increase. And it will cause this week's FIL to be destroyed. All FIL being destroyed will mean that you can't submit messages, and you won't be able to complete the big miner test competition. (Beep News)

Filecoin updates economic parameters: 20-day delay in block reward unlocking

On September 8, Filecoin officially released an update announcement on the economic coefficient. The announcement shows: 1. The increase in the initial value of the baseline and the reduction in the growth rate will stimulate economic development more permanently. 2. The 20-day delay in unlocking block rewards will be removed, and the unlocking will begin immediately after mining. 3. The sector fault detection fee and sector termination fee are lowered to reduce the risk of miners’ operation and maintenance. 4. The minimum storage order pledge is lowered, making paid orders more attractive. 5. The sector failure fee is actually low, but due to consideration of the early stage of the network, it will not be raised temporarily. Prior to the news on August 28, Filecoin announced the details of the token economic model. According to the Filecoin token allocation rules, the total number of Filecoin tokens is 2 billion, 5% is allocated to the Filecoin Foundation, 10% is used for financing, 15% is allocated to the protocol laboratory, and 70% is allocated to miners.

Further Stress Tests in Week 3 of the Filecoin Space Race

On September 7th, according to official news, the Filecoin space race has entered its third week. This week, the Filecoin network will conduct a further series of stress tests to evaluate the network's overall response to failures and updates. Filecoin official staff Mosh said in slack that especially in the early stage of Filecoin, as a community, it must be highly adaptable and flexible. All representatives of large miners need to be online 24 hours a day, 7 days a week. can be updated quickly.

The specific schedule for this week is as follows:

1. On September 7th (Tuesday in some areas), Filecoin will start updating a small chain to test the overall update speed. It is expected that nodes can be updated to the new chain state in a few hours. This will demonstrate how quickly the network can react to bugs and mainnet attacks. (The window maintenance period will start at 3:00 on September 8th, Beijing time, the Lotus 0.5. at 15:00)

2. If the previous step goes well, a simple version of Drand's entire network shutdown will be triggered on September 9 (Wednesday) to test the network's ability to respond to errors. Drand is a highly resilient and random beacon that can be used to determine whether the Filecoin network can successfully recover from a network suspension.

3. On September 10th (Friday in some areas), the complexity of the upgrade will be tested. The Filecoin network can handle more complex role upgrades. It will also include tools and tools to make future upgrades easier, so as to ensure that the network can be improved in the future. And updating Filecoin roles, given the complexity, there will be a slightly extended update window. In addition, Filecoin officials also stated that they will coordinate the maintenance windows of some trading robots and the above updates, and continue to observe closely to ensure that these important tests will not affect the competition. At the same time, the browser information shows that the entire network storage has reached 133PiB.


Beijing City Sub-center will pilot 27 reform tasks including legal digital currency

Zhao Lei, deputy secretary of the Party Working Committee of the Beijing City Sub-center, deputy director of the Management Committee of the Beijing City Sub-center.

Working paper of China Banking and Insurance Regulatory Commission: How to avoid repeating the mistakes of online lending platforms in the development of financial technology

In the process of rapid development of financial technology, how to give full play to its positive role and effectively deal with potential risks and challenges.

Highlights: What does the 32-page Filecoin economic report say

Since the start of the space race on August 25th, the launch of the Filecoin mainnet has entered the countdown stage. At present.

Technology Weekly|Ethereum and Web3 Foundation both announced the second quarter ecological appropriation

This week's Technology Weekly contains technical news about the three networks of Ethereum, Polkadot.

"New infrastructure" creates a new engine for the digital economy: Hobbit Blockchain Research Institute and Tianjin Communications and Broadcasting Group have reached a strategic cooperation

Recently, Hobbit Blockchain Research Institute and Tianjin Communications and Broadcasting Group reached a strategic cooperation. This cooperation aims to realize the organic combination of wireless communication.

Gu Yanxi: Blockchain’s changes to the securities industry began outside the industry

The situation at the beginning of the Internet is very similar to the current blockchain situation. In the early days of the Internet.

Golden Observation | Who is FTX and its founder SBF who have obtained the control of Sushi?

In the past weekend, along with the "skyrocketing and plummeting" of prices, the control of DeFi star Sushi has been settled. On September 6.