Your task is to by OTP using different technique.credentials are /
Two-factor authentication (also known as 2FA) is a type (subset) of multi-factor authentication. It is a method of confirming a 's claimed identity by utilizing a combination of two different factors: 1) something they know, 2) something they have, or 3) something they are.
Mobile-phone two-step authentication
Mobile-phone apps, SMS, and direct push notifications, etc., are not considered "something you have" and thus are not considered in the multi-factor/two-factor equation. Mobile-phone two-step authentication is more secure than single-factor protection but suffers some security concerns. Phones can be cloned and apps can run on several phones; cell-phone maintenance personnel can read SMS texts. Not least, cell phones can be compromised in general, meaning the phone is no longer something you and only you have.
Your task is to by OTP using different techniques.Yes credentials are /.