| Uniswap V3 is officially launched on the Ethereum mainnet; the transaction volume of USDT on the chain broke through the trillion-dollar mark during the year (May 7th)

headlines

Uniswap V3 is officially launched on the Ethereum mainnet, and at the same time launched the SushiSwap liquidity migration contract

According to official news, the Uniswap V3 version has been officially launched on the Ethereum mainnet. As previously disclosed by Twitter user JuanSnow, the Uniswap team launched a liquidity migration contract and user front-end at the same time to help liquidity providers migrate market-making funds from Uniswap V2 to V3. The liquidity migration contract and user front-end are also applicable to help Liquidity providers migrate market-making funds on SushiSwap. When Uniswap V3 was launched, a new liquidity mining plan for this version has not yet been launched. The Uniswap team stated that the liquidity mining program can be launched through standard governance processes.

Tether's on-chain transaction volume exceeded the $1 trillion mark during the year

Tether’s (USDT) annual adjusted on-chain transaction volume has crossed the $1 trillion mark for the first time, according to data collected by The Block Research. As of April 30, USDT’s adjusted on-chain transaction volume so far in 2021 was $1.01 trillion, accounting for about 64% of the total stablecoin transaction volume (approximately $1.6 trillion), and USDC ranked second with $312 billion The second place, accounting for about 20%, Dai occupies 8% market share with 114 billion US dollars, ranking third.

headlines

Uniswap V3 is officially launched on the Ethereum mainnet, and at the same time launched the SushiSwap liquidity migration contract

According to official news, the Uniswap V3 version has been officially launched on the Ethereum mainnet. As previously disclosed by Twitter user JuanSnow, the Uniswap team launched a liquidity migration contract and user front-end at the same time to help liquidity providers migrate market-making funds from Uniswap V2 to V3. The liquidity migration contract and user front-end are also applicable to help Liquidity providers migrate market-making funds on SushiSwap. When Uniswap V3 was launched, a new liquidity mining plan for this version has not yet been launched. The Uniswap team stated that the liquidity mining program can be launched through standard governance processes.

According to official news, Coinbase announced that it will no longer set up a headquarters, will close the former San Francisco headquarters in 2022, and support employees to continue to work remotely. The company tweeted: "Our closing of the San Francisco office is an important step in ensuring no office becomes an unofficial headquarters, meaning career development is based on ability and output, not location. We will provide a network of smaller offices, for employees to choose."

digital currency

Polkadot releases version update Polkadot v0.9.0, deploying parachains on Kusama

In the early hours of yesterday, Polkadot released a new version of Polkadot v0.9.0. This release includes client-side changes to allow parachains to function correctly. This means that when all nodes are successfully upgraded to this version, the parachain function will be officially deployed on the Kusama chain. At the same time, this version also integrates Beefy and MMR (Merkle Mountain Range) for the Polkadot-Ethereum bridge, as well as the Polkadot-Kusama bridge mentioned by Gavin (once connected, 1% of DOT can be transferred to Kusama network) and other cross-chain bridges. (Polka World)

After-sales service of JD.com is suspected of selling graphics cards returned by customers, resulting in warehouse wear

Some users said that JD.com sells the graphics cards returned by customers at high prices, and waits for the graphics card prices to drop before buying them back and returning them to customers. However, the price of Ethereum has continued to hit new highs recently, causing the price of graphics cards to rise instead of falling. At present, there is no market for graphics cards, and JD.com cannot buy back graphics cards at a low price after sales. Some users said that JD.com tried to refund the original price of the graphics card whose price in the second-hand market has doubled. For this reason, some media asked Jingdong customer service, but did not get a positive response. (Hexun.com)

digital currency

Polkadot releases version update Polkadot v0.9.0, deploying parachains on Kusama

In the early hours of yesterday, Polkadot released a new version of Polkadot v0.9.0. This release includes client-side changes to allow parachains to function correctly. This means that when all nodes are successfully upgraded to this version, the parachain function will be officially deployed on the Kusama chain. At the same time, this version also integrates Beefy and MMR (Merkle Mountain Range) for the Polkadot-Ethereum bridge, as well as the Polkadot-Kusama bridge mentioned by Gavin (once connected, 1% of DOT can be transferred to Kusama network) and other cross-chain bridges. (Polka World)

Industry chain person: TSMC has received orders for 5nm chips from Bitmain, and production is expected to start in the third quarter

According to foreign media reports, the prices of cryptocurrencies such as Bitcoin continue to run at a high level, which has also increased the demand for cryptocurrency mining, and the demand for chips, graphics cards, etc. has also increased significantly. English-language media reports show that chip foundry TSMC has already received an order from Bitmain. The English-language media quoted industry chain sources as saying that TSMC had received orders for cryptocurrency mining chips from Bitmain, and production is expected to begin in the third quarter. The full name of Bitmain is Bitmain Technology Holdings, which was established in 2013. Its products include computing power chips, computing power servers, and computing power clouds, which are mainly used in the fields of blockchain and artificial intelligence. (TechWeb)

The digital asset ETF launched by the investment management company VanEck has been listed on the London and Deutsche Stock Exchanges. The name of the ETF is VanEck Vectors Digital Assets Equity UCITS ETF (DAPP), which tracks the MVIS Global Digital Asset Stock Index and has a total expense ratio of 0.65%. Nearly 30 companies working in the blockchain and cryptocurrency industry are included in the MVIS Global Digital Asset Stock Index. (U. Today)

Kava Announces the Online Security Fund Proposal, Hopes to Raise 10 Million KAVA

According to official news, Kava announced the launch of the security fund proposal, creating a security fund through the community pool. The proposal increases the minimum staking inflation rate from 15% to 95% and directs all new inflation to the community pool. These funds will go to the Security Fund. When the security fund approaches 10 million KAVA in about 1 month, a new proposal will be submitted to reduce the inflation rate to 15%.

Hatano Yui NFT photo series blind box sold out within 5 minutes on the DODO NFT platform

The Bullish page of Block.one’s new project is suspected to be online

The Bullish page, which is suspected to be a new project of the EOS parent company Block.one’s cryptocurrency trading platform, has been launched, but it is currently only a page with no actual content. According to previous media reports, Bullish is expected to conduct an IPO through a SPAC in mid-2021, and the domain name was sold for US$1.08 million.

Kava Announces the Online Security Fund Proposal, Hopes to Raise 10 Million KAVA

According to official news, Kava announced the launch of the security fund proposal, creating a security fund through the community pool. The proposal increases the minimum staking inflation rate from 15% to 95% and directs all new inflation to the community pool. These funds will go to the Security Fund. When the security fund approaches 10 million KAVA in about 1 month, a new proposal will be submitted to reduce the inflation rate to 15%.

The famous Japanese actress Yui Hatano was based on the blind box of 3000 NFT photo series released by BSC, which was sold out within 5 minutes on the DODO NFT platform. This blind box sale adopts the model of step-up price increase sales. The starting price is 0.2 BNB, and the price will be 30 BNB when sold out. The blind box sales increase by 150 times. The blind box will be opened at 8:00 pm tomorrow and traded in Treasureland.

Blockchain industry

Value DeFi Official: The attacker made a profit of 205659.22 BUSD and 8790.77 BNB

News Value DeFi officially released the details of the attack. Value DeFi said that at 11:22 on May 5, the attacker reinitialized the pool and set the operator role to himself and the stakeToken to HACKEDMONEY. By doing so, the attacker takes control of the pool and calls governanceRecoverUnsupported(), draining the original staked tokens (vBWAP/BUSD LP). The attacker then withdraws 10839.16 vBWAP/BUSD LP, then withdraws liquidity, and receives 7342.75 vBSWAP and 205659.22 BUSD. Subsequently, the attacker sold all 7342.75 vBSWAP at 1inch to get 8790.77 BNB. The attacker bought renBTC with BNB and BUSD, and transferred the funds back to BTC through renBridge.

Spartan Official: About 20 million new SPARTA tokens will be allocated to LPs who have suffered losses due to attacks

Blockchain industry

Investment and Financing

Nokia launches blockchain-based Nokia Data Marketplace

Nokia released the blockchain-based Nokia Data Marketplace on May 5, which provides information trading and analysis capabilities. The service will allow its partners from various industries to collaborate through private chains, utilize AI and automation mechanisms in real time to cope with rapidly growing data volumes, while ensuring safe and reliable access to data for effective business decisions. Different from ordinary public chains, the Nokia blockchain is a private chain and will be operated and maintained by Nokia. (Forkast)
With the support of the Dalian Central Sub-branch of the People's Bank of China, the Dalian Branch of Postal Savings Bank of China is making efforts to build a digital RMB pilot demonstration village. Farmers' markets, shops, farms, fruit and vegetable sales, pharmacies, snack bars, agricultural machinery stations, auto parts stores and other "agriculture, rural areas and farmers" special service scenarios in the demonstration village will thus realize the extensive coverage of digital RMB payment functions. At present, Dalian Branch of Postal Savings Bank of China has deployed 224 scenarios in rural areas and completed 1,558 transactions. (Financial Association)

Forecasting protocol Upshot completes $7.5 million in financing, with participation from Framework Ventures and others

Payment processing giant Nuvei to acquire cryptocurrency startup Simplex for $200-250 million

Solana Ecological NFT Auction Protocol Burnt Finance Completes $3 Million Financing

The prediction agreement Upshot completed a financing of 7.5 million US dollars, and Framework Ventures, CoinFund and Blockchain Capital participated in the investment. (CoinDesk)

Charged Particles Completes USD 1 Million Seed Round Financing, HashKey and Others Participate

According to official news, Charged Particles has completed a $1 million seed round of financing. The current project valuation is $20 million. DAOMaker, HashKey, AU21, Jordan, Kain, GMoney, The LAO, ParaFi, CoinGecko, LongHash, MoonWhale, D64, Fourth of Synthetix Revolution Capital, Nalu Fund and others participated in the investment.

DeFiDollar has received $100 million from Binance’s DeFi Accelerator Fund

According to news, Burnt Finance, the Solana ecological NFT auction agreement, announced the completion of $3 million in financing. The investors are Injective Protocol, Multicoin Capital, Mechanism Capital, Alameda Research, DeFiance Capital, Spartan Group, HashKey Capital, Vessel Capital, etc. The Burnt Finance protocol uses BURNT tokens for governance and will focus on the NFT auction market.

Bondly received investment from OKEx Blockdream Ventures, the two parties will deeply explore the field of NFT

DeFiDollar has received $100 million from Binance’s DeFi Accelerator Fund

global policy

According to official news, DeFiDollar has received USD 100 million from Binance’s DeFi accelerator fund. DefiDollar will create value in all DeFi activities on BSC, from savings products to ibBTC, to increase the unique experience BSC provides to its users.

Bondly received investment from OKEx Blockdream Ventures, the two parties will deeply explore the field of NFT

According to official news, Bondly has received investment from OKEx Blockdream Ventures (abbreviation: OKEx BDV). The two parties will explore the NFT field in depth and provide services and resource support for the development of NFT high-quality blockchain projects. On the one hand, Bondly will provide LaunchPad services for high-quality projects that OKEx BDV cooperates with in the form of NFT; on the other hand, the two parties will jointly bring excellent brands to Bprotect, and will also carry out brand cooperation with OEC ecological assets in the form of NFT innovation.

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global policy

Vietnam Plans to Regulate Digital Currencies, Government Estimates 1 Million Vietnamese Are Already Using Digital Assets

The Vietnamese government is getting involved in the cryptocurrency industry and recently commissioned a research team for this purpose. Vietnam’s Ministry of Finance is conducting an in-depth study of cryptocurrencies for regulatory purposes. The Ministry of Finance of Vietnam has a clear understanding of how to develop regulatory procedures in the country. The government believes that an estimated one million Vietnamese are already using digital assets, with a projected 30-fold increase by 2030. The research will focus on the following topics, which will focus on the existing legal frameworks in the United States, Japan and Europe: understanding the cryptocurrency industry; recognizing the existence of cryptocurrencies through amendments to existing laws; creating transparent, predictable and effective regulations; Develop corresponding legislation for the high volatility of the market; propose structural adjustments by establishing mechanisms for supervision of the cryptocurrency market by skilled supervisory authorities; recommend tools to these supervisory authorities, i.e. grant, suspend or revoke Business Conduct and the Power to Report Suspicious Activity. (News Bitcoin)

South Korea Regulator Asks Banks to Provide Information on Transactions with Crypto Firms

South Korea's financial regulator has asked banks to provide information on their transactions with cryptocurrency companies, as authorities sought to determine how many cryptocurrency exchanges there are in the country. It is estimated that 100-200 cryptocurrency exchanges are still outside the purview of the government. (Cointelegraph)

South Korea's Ministry of Planning and Finance: Crypto mining profits are also taxable

The South Korean Ministry of Strategy and Finance stated that profits obtained through cryptocurrency mining are also subject to taxation. Cryptocurrency mining profits minus electricity costs are the basis for taxation of income. Taxpayers must personally prove how much electricity is spent on cryptocurrency mining.

Georgia's central bank is considering launching a CBDC

Georgia’s central bank is looking to launch its own central bank digital currency (CBDC), a project expected to “improve the efficiency and financial inclusion of the domestic payment system.” Regulators may create a regulatory sandbox for companies working on CBDC projects. (CoinDesk)

The Bahamas will roll out its central bank digital currency, the Sand Dollar, nationwide this summer

Character·Voice

The Central Bank of the Bahamas (CBOB) is gearing up to roll out its digital currency nationwide this summer in a bid to entice more Bahamians to sign up for the “Sand Dollar.” CBOB is also now focused on connecting the Sand Dollar wallet with the commercial banking system. Governor John Rolle stated that the government of the Bahamas has taken a series of measures to prepare the government and the Sand Dollar ecosystem. (Cointelegraph)

Indian Investor Industry Association recommends that the government provide a clear regulatory framework for the encryption industry

Tech.org, the industry association for Indian investors, has released a white paper that includes a policy proposal for the establishment of a regulatory framework for crypto assets and crypto exchanges in India. Tech.org hopes that the government will provide a clear regulatory framework for the cryptocurrency industry and recommends that cryptocurrencies like bitcoin be defined as digital assets, rather than currencies. The proposal also proposes to introduce a registration system for cryptocurrency exchanges in India and establish necessary checks such as anti-money laundering compliance, KYC verification, etc. (Cointelegraph)

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