According to Golden Finance, Ethereum co-founder Vitalik Buterin published a new blog post detailing his vision for an ideal crypto wallet. The article focuses on security and privacy, proposing key features such as cross-L2 transaction experience, account security, fraud prevention, and data wallets. In terms of cross-L2 transactions, Vitalik proposed the use of chain-specific address formats (such as address@optimism.eth), and suggested that wallets automatically handle cross-chain exchange and transfer processes. In terms of account security, he recommended the use of social recovery and multi-signature mechanisms, and a 2-of-3 protection solution for new users, including zk-email, local keys, and service provider backup keys. Regarding privacy protection, the article emphasizes the need to integrate features such as privacy pools and stealth addresses directly into mainstream wallets to achieve default privacy. In terms of data storage, Vitalik suggested that wallets evolve into personal data storage tools, using an M-of-N key sharing mechanism to protect user data. Looking to the future, Vitalik predicts that new technologies such as AI and brain-computer interfaces will completely change the way wallets interact.

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