OTP Verification Module verifies the Phone / Email of users by sending the OTP Verification code after enabling OTP Verification Module on Drupal. Using this guide OTP Verification will be enabled for login and registration forms on the Drupal site, you can download the module click here
If you have any doubts or queries you can contact us at email@example.com. We will help you to configure the module.
If you don't find what you are looking for, please contact us at firstname.lastname@example.org or call us at +1 978 658 9387 to find an answer to your question about Drupal Two Factor Authetication.