Job description: 1. Responsible for the technical architecture design, research and development, and optimization of Web3 wallet products, ensuring high performance, high security, and a good user experience. 2. Lead the integration of blockchain underlying protocols (such as EVM, cross chain, MPC, etc.), and overcome core technical challenges such as wallet security, key management, and transaction signatures. 3. Establish and manage a technical team, develop development standards, and promote technology implementation and innovation. 4. Track cutting-edge technologies in the industry (such as AA wallets and smart contract security), output technical solutions, and promote their implementation.