Web3 Wallet Security Checklist: 15 Steps Before You DeFi

Device and app hygiene

Official APK only. OS updates enabled. Biometric lock on. No jailbroken sideload markets.

Paper backup + encrypted computer export. Separate backup password. Fireproof storage for high-value holdings.

Verify URLs. Small test send first. Revoke approvals. Use testnet for new protocols. Bookmark trusted dApps.

Download the official Android APK — self-custody for Ethereum, Polygon, BSC, and Solana.