Job Description Job Responsibilities: 1 Responsible for the research and development, requirement analysis, and technical planning of the underlying infrastructure of blockchain wallets. Coordinate business and product requirements, including but not limited to: 2 Responsible for or involved in the architecture design, development, upgrade, and performance optimization of wallet underlying services, breaking through technical challenges in systems and projects; three Responsible for connecting multiple blockchain networks, supporting the deposit and withdrawal operations of new currencies, and ensuring the efficient operation of core modules such as fund collection and fee estimation; 4. Maintain all nodes of the blockchain network, pay attention to timely updates of network upgrades and announcements, and ensure the stable and reliable operation of the wallet system; 5. Conduct research on cutting-edge blockchain wallet technologies, such as multi-party secure computing (MPC), as well as emerging popular public chains and ecosystems;