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ChainCatcher news, according to market sources, renowned Ethereum developer Dankrad Feist has announced his departure from the Ethereum Foundation (EF) to join Tempo, a payment-focused Layer 1 project incubated by Stripe and Paradigm. Since joining EF in 2018, Feist has made significant contributions, most notably as a co-creator of the Danksharding sharding design to enhance Layer 2 scalability. Earlier this year, he was also appointed as a strategic advisor in several areas of the Ethereum Foundation. Feist stated that Tempo is "highly aligned" with Ethereum, as both are built on the same permissionless philosophy, and Tempo's open-source technology can be easily integrated back into the Ethereum ecosystem. Ethereum founder Vitalik Buterin responded: "Dankrad is an outstanding researcher who has made extremely valuable contributions to the Ethereum we know today."

According to ChainCatcher, OneKey's Chinese Twitter stated that regarding the recent "Milk Sad incident" involving a random number vulnerability, the OneKey team clarified that this vulnerability does not affect the security of mnemonic phrases and private keys in OneKey's software or hardware wallets. The vulnerability originates from the pseudo-random number generator in Libbitcoin Explorer (bx) version 3.x, which uses system time and the Mersenne Twister-32 algorithm, with a seed space of only 2³² bits. Attackers can deduce private keys through prediction or brute-force enumeration. The affected scope includes some old versions of Trust Wallet and all products using bx 3.x or old versions of Trust Wallet Core. OneKey stated that its hardware wallets use EAL6+ secure chips with built-in TRNG true random number generators; older devices have also passed SP800-22 and FIPS140-2 entropy tests; software wallets use system-level CSPRNG entropy sources to generate random numbers, meeting cryptographic standards. The team emphasized that users are advised to manage assets with hardware wallets and should not import mnemonic phrases generated by software wallets into hardware wallets to ensure the highest level of security.