What is Two-Factor Authentication?
An extra login security layer beyond your password.
Details
Two-factor authentication (2FA) adds a second factor beyond your password, commonly an authenticator app, SMS code or hardware key. With 2FA enabled, an attacker still needs the second factor even if your password leaks. Authenticator apps and hardware keys are safer than SMS; always back up your recovery codes.
Key Points
- A second factor beyond the password, greatly improving security
- Authenticator apps or hardware keys beat SMS
- Back up recovery codes to avoid lockout
FAQ
What is Two-Factor Authentication?
An extra login security layer beyond your password.
What are the key points about Two-Factor Authentication?
Two-factor authentication (2FA) adds a second factor beyond your password, commonly an authenticator app, SMS code or hardware key. With 2FA enabled, an attacker still needs the second factor even if your password leaks. Authenticator apps and hardware keys are safer than SMS; always back up your recovery codes.
Is this term related to a specific coin?
It applies broadly across the crypto industry.
Related
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