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What does it mean that SMS verification code starts with cat?
No matter what interface we log in, we usually need to pass the user name and password verification, and its verification method is easily used by applications with high security requirements, resulting in losses.
For example, when a user logs in successfully while shopping, he needs to ask the user to bind the mobile phone number. At this point, a verification message will be sent to the user's mobile phone, asking the user to enter several numbers or letters. This is the verification code. When paying online in the future, in order to ensure safety, the background of the website will pass. The popular understanding is that SMS verification code is a highly secure identification method.
SMS verification code is now widely used to trigger SMS applications such as website member mobile phone verification, APP application mobile phone verification, order notification and logistics reminder.
Extended data:
When users fill in user information and mobile phone number such as website registration and software login in the front end, once they click the "get verification code" option;
At this time, the pre-set program on the back end of the webpage or the software system will receive this instruction from the front end and automatically generate a random verification code, usually a group of characters composed of numbers, and then the SMS interface will start, and the server will respond to the received instruction and send this group of verification code to the user's mobile phone.
After the user inputs in the front end, the back-end system will compare the verification code submitted by the user with the data stored in the back-end system through the algorithm. After the inspection is correct, the verification will be successful, and the next operation can be continued, otherwise it will fail.
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