The Full Form of TOTP is Time-based one-time password.
TOTP stands for Time-based One-time Passwords and is a common form of Two-factor Authentication. Unique numeric passwords are generated with an algorithm that uses the current time as an input. The time-based passwords expire and therefore offer increased security for 2FA. TOTP is also known as a soft token.
The TOTP algorithm uses device time and a stored secret key as inputs and does not require internet connectivity to generate or verify a token. Therefore a user can access TOTP via an app like Authy while offline.
TOTP
means
Time-based one-time password
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