Time-based One-time Password (TOTP)?, How to use it in Ruby On Rails API?

Aug 9, 2024 · 9 min read · Intro Security is paramount in today's digital world. Two-factor authentication (2FA) adds an extra layer of protection beyond just usernames and passwords. While SMS OTP is a common 2FA method, it can be costly, but TOTP (Time-Based One-Time Passwo...