| Security measure | Complexity | Features |
|---|---|---|
| Strong password + SMS or email 2FA | Low | Essential, basic defense |
| Biometric authorization | Low | Adds unique layer of access control |
| Hardware 2FA | Medium | More secure than SMS or email 2FA; requires physical possession |
| Seed phrase backup (cold wallet) | Medium-high | Recovery if wallet is lost or destroyed but comes with risk at a single point of failure |
| Encrypted backups (cold wallet) | Medium | Protects against loss or damage of main wallet |
| Multiple wallets (cold) | High | Eliminates risk of total loss due to a single point of failure |
| Multi-signature wallet (cold) | High | Minimizes risk of loss due to a single point of failure; frequently used by institutions |
1225-RBE2