According to news from BlockBeats, on November 27, Vitalik Buterin published an article stating that end-to-end encryption is crucial for protecting privacy, emphasizing that the next step in this area is to support the creation of permissionless accounts and secure metadata, while noting that Session and SimpleX are pushing these directions. He donated 128 ETH to both, while pointing out that Decentralization, protecting metadata, supporting multi-device use, and resistance to Sybil/DoS remain challenges that require more developers to participate in improving these privacy communication tools.