Why does user privacy appear when using SMS verification?

The problem of user privacy when using SMS verification is caused by being bombarded with text messages. When this happens, you can avoid malicious harassment by blocking SMS keyword verification codes. SMS verification code is an effective verification code system by sending the verification code to the mobile phone. Both large websites, especially shopping websites, provide mobile phone SMS verification code functions, which can ensure the security of shopping and verify the correctness of users more accurately and safely.