Question

what is OTP ? and what prossec for production of otp

Answer 1

SMS OTP works by the following process: 1) User requests for an OTP code from your app/site by entering him mobile phone number. 2) In the backend, a code will be generated for the SMS to be sent to the user.

OTP Verification verifies Email Address/Mobile Number of users by sending verification code(OTP) during registration. It removes the possibility of a user registering with fake Email Address/Mobile Number.

OTPs avoid a number of shortcomings that are associated with traditional (static) password-based authentication; a number of implementations also incorporate two-factor authentication by ensuring that the one-time password requires access to something a person has (such as a small keyring fob device with the OTP ...