1. Responsible for the functionality, security, compatibility, and performance testing of Web3 wallets (mobile/web). 2. Design and execute test cases covering core scenarios such as blockchain transactions, DApp interactions, and multi chain compatibility. 3. Participate in security testing, including verifying risk points such as private key management, signature vulnerabilities, and anti phishing. 4. Track defects and drive repairs, output test reports, and ensure version quality.