How to create Magic Link authentication system for email verification on Node.js (step-by-step)

Magic link authentication is becoming one of the most popular ways to verify users without passwords. Instead of asking users to remember passwords, we simply send them a secure login link through email. What is a Magic Link? A magic link is a unique URL sent to a user’s email. When the user clicks the link: The server verifies the token The user becomes authenticated No password is required Example: https://yourapp.com/verify?token=abc123 This approach is: More secure than passwords in many cas