Verification code has been sent to 138 * * * * * 98. What do you mean?

A short message will be sent to your mobile phone. This is the mobile phone verification code.

In some cases, it is necessary to bind the mobile phone or bind the mobile phone authentication operator, resulting in the need to send a set of numbers or letters from the designated mobile phone, usually 4 or 6 digits. Mobile phone verification code is very important, only for your own operation. Don't tell others, or your account will be in danger of being logged in by others.

Some authentication code providers provide SMS authentication code service. Each website sends a request to the provider's server through the interface, and the server sends random numbers or letters to the mobile phone, and the provider's server verifies the authentication code uniformly.