What is an authentication code?

An authentication code is a randomly generated code that is used to verify the identity of a user or device. It is typically sent to the user's email or phone number and must be entered correctly in order to access a secure system or account. Authentication codes are commonly used in two-factor authentication processes to add an extra layer of security to online accounts.

An authentication code is a unique, alphanumeric string of characters that is used to verify the identity of a user. It is typically used in conjunction with a username or password, and is intended to provide an additional layer of security. Authentication codes are often generated using a specific algorithm, such as a hash function, and are typically sent to the user via email, SMS, or a mobile app.