Does the verification code belong to SMS?

Credentials for users to verify their identity. In user authentication, SMS verification code is a kind of certificate of user authentication, which belongs to the content of notification message and plays a role of reminding. Verification code SMS is generally a security certificate provided by enterprises for users to register and verify, and the content of SMS received by mobile phone can effectively verify the identity of users. SMS verification code is a new verification method in recent years, which is used to identify users, judge users' authenticity, register accounts, log in accounts in different places or change passwords and other sensitive operations.