ChainCatcher news, Jupiter announced that starting today, it has launched a tipping feature based on Jito Bundles in its Swap function to help users minimize losses from MEV attacks.Users only need to select the "Jito Tip" option in the Jupiter interface before making a swap, and the transaction will be sent directly to Jito validators with a tip, requesting to be published directly on Solana without going through public RPC. This allows the transaction to remain hidden from seekers looking for MEV opportunities before it is on-chain on Solana, thereby minimizing the likelihood of being attacked by MEV.

ChainCatcher news, in order to promote the construction of the account abstraction ecosystem, the OKX Web3 wallet AA smart contract account has officially open-sourced the Bundler, once again contributing to the industry through technological openness. OKX's move has received high praise and trust from the Ethereum Foundation for the official ERC-4337, and it has been showcased on the official ERC-4337 website, open to developers worldwide.It is reported that as an important technical infrastructure for OKX AA smart contract accounts, its Bundler open-source solution is named "OKBund." OKBund is dedicated to promoting the widespread access and application of account abstraction technology, building a more scalable smart on-chain ecosystem. It currently supports Java development, and more language versions will be provided in the future.

ChainCatcher news, according to The Block, account abstraction infrastructure Pimlico integrates wallet provider Safe's ERC-4337 module to enhance its account abstraction infrastructure, allowing its clients to create Ethereum-based products, improving user experience and security. Pimlico will be the first company to integrate Safe accounts using the ERC-4337 module and will act as a Bundle within the Safe ecosystem.

ChainCatcher news, the African social payment application Bundle announced that it will cease its trading services on September 10, as part of a shareholder decision to restructure the business and focus on its peer-to-peer (P2P) payment platform Cashlink.Bundle was founded by former Binance Labs director Yele Bademosi, allowing users to request, send, and receive cash or cryptocurrency from peers. In September 2019, Bundle completed its Pre-Seed funding round, raising $450,000 from Binance. (Source link)

ChainCatcher news, CoinDesk subsidiary CoinDeskIndices has partnered with cryptocurrency exchange Luno to launch the Luno Large Cap Bundle, aimed at helping South African customers access a cryptocurrency portfolio. The product will track the CoinDeskIndices Large Cap Select Index (DLCS) and will include 5 to 10 of the largest cryptocurrencies by market capitalization. (Source link)

ChainCatcher message, Twitter user @GaoFlynn posted: "Several large MEV arbitrageurs have been severely impacted, with a malicious actor appearing in one link of the entire mechanism chain, potentially from builder to relayer to validator. This could be the first major turning point that shakes the entire MEV ecosystem.In simple terms, a hacker obtained the bundle transaction of a large sandwich arbitrage bot, which included 1. a large buy, 2. the transaction of the user being squeezed, and 3. a large sell. The hacker obtained this bundle, dismantled it, replaced 2 with their own transaction, exchanged the bot's funds for cheap tokens, and then the third transaction failed."Additionally, according to a tweet from @punk3155, a certain MEV bot has suffered the aforementioned attack, with total losses reaching 20 million dollars. (source link)

ChainCatcher news, MakerDAO is executing a governance action that bundles eight proposals, which include: paying delegate salaries (a total of 20 delegates will receive a total of 103,230 DAI), increasing the DAI interest rate (from 0.01% to 1%), removing renBTC as collateral for DAI, using GnosisDAO governance token GNO as collateral, changing Starknet DAI bridge parameters, launching BlockTower real-world assets Vault, MKR allocation, and MOMC parameter changes.It is reported that the above proposals have been approved by community voting, and the protocol refers to this as "the most significant deployment of 2022." (The Block)