How to Implement Passwordless Authentication in Next.js

What is Passwordless Authentication? Passwordless Authentication is a way of authenticating your users without any passwords. Instead, it uses email, phone number, or biometrics as the identifier. Passwordless authentication can also be used as 2-factor authentication since the email, phone number, or biometrics is something you have. Passwordless authentication eliminates the password need and hence is a better choice of authentication. As the user creates accounts on multiple sites, the complexity of remembering passwords keeps increasing for them.

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