Time-based one-time password (TOTP) is a computer algorithm that generates a one-time password (OTP) using the current time as a source of uniqueness. As an extension of the HMAC-based one …

Time-based One-time Password (TOTP) is a time-based OTP. The seed for TOTP is static, just like in HOTP, but the moving factor in a TOTP is time-based rather than counter-based.

TOTP uses two inputs: a shared secret key (known only to the server and the user’s authenticator app) and the current timestamp. Because this algorithm is time-driven, it produces a new code at regular …

A time-based one-time password (TOTP) is a form of two-factor authentication (2FA) that generates a one-time password (OTP) as the second factor, which changes at regular intervals.

Jun 2, 2025 · If a user's traditional password is stolen or compromised, an attacker cannot gain account access without the TOTP, which expires quickly. How does a TOTP work?

A Time-based One-Time Password (TOTP) serves as a form of two-factor authentication (2FA). Other terms for TOTP include app-based authentication, software tokens, or soft tokens.

May 23, 2025 · A time-based one-time password (TOTP) is a temporary passcode generated using the current time and a secret key known only to the user and the server. The combination makes TOTPs …

Jul 17, 2025 · That’s probably TOTP in action — short for Time-Based One-Time Password. It’s one of the most common ways apps keep your account safe, especially after you enter your regular password.

Oct 27, 2025 · Time-Based One-Time Password (TOTP) systems represent a significant advancement over HOTP, addressing many of its practical limitations while introducing new security benefits.

A Time-Based One-Time Password (TOTP) is a temporary, unique code generated using the current time as part of the process. It’s widely used for two-factor authentication (2FA) to add an extra layer …