1. More than five years of product work experience, with a certain understanding of wallets, DIF mining, trading, finance, and related derivatives preferred. Successful work experience related to blockchain is preferred; 2. Familiar with the blockchain industry and related technologies, especially in cryptocurrency wallets and exchange business, with sufficient understanding. 3. Possess good product design methods and experience in independent product design and complex business logic implementation. 4. Possess good product prototype design ability, familiar with tools such as Axure, Sharpener, Visio, Jira, etc.