totp-rust

In this comprehensive guide, you'll learn how to implement two-factor authentication (2FA) in a Rust application using OTP tokens generated by an Authenticator app like Authy, Google Authenticator, or Chrome's Authenticator extension. Maintained by wpcodevo on GitHub, where it has earned 37 stars from the community.

It's actively developed around actix-web, otp, otp-token, and is a solid reference for anyone building with these tools.