Below you will find pages that utilize the taxonomy term “TOTP”
Blog
Many Common Mobile Authenticator Apps Accept QR Codes for Modes They Don't Support
You probably use an “authenticator app” such as Google Authenticator to enable two-step verification (sometimes called two-factor authentication, 2FA, or multi-factor authentication, MFA) for an online account. The method is called Time-Based One-Time Password Algorithm (TOTP) and is standardized in RFC 6238. In October 2017 when I evaluated HashiCorp Vault for generating and storing TOTP secrets for a system at work I realized that the Android version and iOS version of Google Authenticator differed a lot when it comes to which modes are supported.