ChainCatcher news, according to Cointelegraph, EigenLayer has implemented additional security features for its EigenDA data availability service on the Ethereum mainnet to prevent Sybil and DDoS attacks.According to the announcement from EigenDA, this whitelist security measure utilizes IP addresses or Ethereum address ECDSA authentication to ensure enhanced protection and guarantee secure access to the service. ECDSA authentication is a cryptographic method used to verify the identity of users, devices, or systems.

ChainCatcher message, ZK Nation under ZKsync stated on social media that ZKsync is currently facing an organized large-scale Sybil misinformation propagation attack on the X platform.It is reported that thousands of bot accounts are involved, attempting to mislead the public by spreading false information. ZK Nation is conducting a debunking analysis of such misinformation and provides examples of false claims that certain community allocated funds have flowed into the hands of insiders.ZK Nation emphasizes that these rumors are unfounded, and the public should remain vigilant and look forward to further updates.

ChainCatcher news, Gitcoin Passport has integrated with the Web3 community event platform Galxe. On July 31, users can apply for "AntiSybilAssembly NFTs" based on their Gitcoin Passport's "Unique Humanity" score. The higher the score, the more substantial the commemorative NFT received, to collectively resist bot and witch attacks.

ChainCatcher news, Sybil Samurai announced the launch of a strategy product specifically for automating airdrop harvesting. According to the official announcement, Sybil Samurai will release a limited NFT collection that allows users to mint Samurai NFTs and receive potential airdrop rewards generated by their proprietary software and strategies.The specific plan is that the funds raised from the NFTs will be securely stored in the Sybil fund and then allocated to various strategies, all aimed at maximizing airdrop rewards. If the Samurai successfully obtains airdrops, the token rewards will be distributed to Samurai NFT holders, putting the tokens back into people's hands.Additionally, the team is also applying for a virtual currency license in Lithuania to operate within the EU. (Source link)

ChainCatcher news, Arbitrum officially announced the issuance of its native Token ARB and revealed the Token economics. It is reported that the initial total supply of ARB is 10 billion tokens, with a maximum annual inflation rate of 2%. Among them, 11.62% is allocated to users, 1.13% is allocated to various DAOs in the Arbitrum ecosystem, 17.53% is allocated to Offchain Labs investors, 26.94% is allocated to Offchain Labs team members, future team members, and contributors, and 42.78% is allocated to the Arbitrum DAO treasury.To prevent bot abuse, this airdrop has established many anti-sybil rules and a points system, where 1 point corresponds to a specific number of airdrop tokens: 1. If the airdrop recipient's wallet transactions all occur within 48 hours, one point will be deducted; 2. If the airdrop recipient's wallet balance is below 0.005 ETH and the wallet has not interacted with multiple smart contracts, one point will be deducted; 3. If the airdrop recipient's wallet address was identified as a sybil attacker address during the previous Hop protocol bounty program, they will be disqualified.Currently, Arbitrum has released an airdrop query page that only supports users in checking their airdrop status, with the specific airdrop distribution date set for March 23. (source link)