Crypto Security Checklist 2026: 20 Steps to Protect Your Funds
Crypto security failures cost users billions every year. This 20-step checklist covers every security layer — seed phrases, hardware wallets, phishing, approvals, and operational security.
Crypto security is the foundation of successful investing. Every year, billions in crypto are lost to preventable security failures — phishing, compromised seed phrases, malicious approvals. This checklist covers every layer of protection.
Seed Phrase and Key Security
- ✓ Write seed phrase on paper — never digital
- ✓ Store backup in a separate physical location
- ✓ Consider a metal seed backup plate for fire/water resistance
- ✓ Test recovery with a small-value wallet before trusting it with significant funds
- ✓ Never share seed phrase with anyone — ever
Hardware and Device Security
- ✓ Use a hardware wallet for holdings above $2,000
- ✓ Buy hardware wallets only from manufacturers — never eBay or resellers
- ✓ Keep firmware updated on hardware wallets
- ✓ Use dedicated browser profile for Web3 with no other extensions
- ✓ Enable 2FA (authenticator app, not SMS) on all exchange accounts
Transaction and Approval Security
- ✓ Bookmark all DeFi sites — never search Google and click first result
- ✓ Read transaction details before signing — Rabby wallet shows decoded transaction
- ✓ Revoke unused token approvals monthly at revoke.cash
- ✓ Never click "connect wallet" from unsolicited Discord/Telegram messages
- ✓ Use a burner wallet with small balance for minting NFTs and interacting with new protocols
Portfolio Security
- ✓ Use a multi-sig (Gnosis Safe) for amounts above $50,000
- ✓ Split holdings: small hot wallet for daily use, hardware wallet for main holdings
- ✓ Avoid advertising crypto holdings publicly
- ✓ Have a plan for inheritance: secure note in estate documents explaining how to access crypto
- ✓ Review wallet activity monthly — catch compromised approvals early