Security
TOTP
Abbreviation for Time-based One-Time Password
In short and in plain language
TOTP is a method for passwords that work just once and only for a short time.
An app shows the password for a short while.
It serves as an extra proof when you sign in.
In a shop's admin area it is a common login with several steps.
Definition
TOTP is a method for time-based one-time passwords that an app displays for a short period. It serves as an additional proof when signing in. For access to the shop administration it is a common form of multi-step login.