Website on django, how to make a registration form by email, or by phone number with confirmation?

Question

Django

Hello, site on django, you need to make a registration form by email, or by phone number with confirmation, that is, they write a soap or a number, a code comes to it, and they enter it into the form (similar to registration in instant messengers) what for this you need to know and how to do it, or how to avoid that people do not enter a non-existent number or soap into the login, and do not clog the database

Answer 1

Insert the correct battery. The truth always has to be filed.
Here is an example of a battery with login by phone and SMS code with confirmation to the phone:
https://github.com/wejhink/django-phone-login