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Term: Time-based One Time Password [TOTP]
A TOTP is a a one-time password (OTP) generated using the current time as a source of uniqueness.
Common TOTP generators include Google Authenticator, Authy, and others. Each receive a secret key from the service to which they are attached, which is then used in conjunction with the current time to generate a code which is then displayed. The ability to enter that code “proves” you are in possession of your second factor.« Back to Glossary Index