Two-Factor Authentication
Security
Second verification step beyond password or key.
Two‑factor authentication (2FA) adds an extra proof of identity, such as TOTP codes or hardware keys. It reduces account takeover risk for exchanges, custodians, and developer dashboards.
Frequently asked questions
Which 2FA method is best?
Authenticator apps or hardware keys. SMS is better than nothing but can be hijacked.Where should I enable 2FA?
Exchanges, custodial wallets, dashboards, and email accounts tied to crypto activity.What if I lose my 2FA device?
Use backup codes or recovery options. Store them securely offline.