How to create QR based 2fa system in Node.js (step-by-step)
Learn how to enhance the security of your apps by implementing a QR-based 2FA system in Node.js step-by-step. This comprehensive guide uses the express framework and the auth-verify Node.js library to set up a TOTP (Time-based One-Time Password) system compatible with Google Authenticator. You'll walk through generating a TOTP secret, creating a QR code for users, and verifying user-entered codes. The tutorial covers installing necessary packages, setting up the file structure, importing essential packages, creating a web page, handling the backend logic, and implementing the frontend functionality. Check out the full codes provided for index.html and server.js. Boost your app's security with this insightful tutorial.
