Which technology does the verification code sent to the mobile phone for online shopping payment belong to?

Technology for verification through SMS.

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. ?

There is a string of numbers in the text message that the website sends to your mobile phone, which is the verification code. It is usually used to register or bind your mobile phone.

Some verification code access providers provide mobile phone text messages. For the verification code service, each website sends a request to the access provider's server through the interface. The server sends random numbers or letters to the mobile phone, and the access provider's server performs unified verification of the verification code.

Extended information:

While keeping mobile phone communication open, the method to get your own SMS verification code is as follows:

1. Take oppor11 as an example, Open text messages on mobile phone table. ?

2. After opening the text message, click on the notification message.

3. Next, click Information. ?

4. In the subsequent page, you can see the verification code information.