In the middle of the night, the mobile phone received the verification code from Tencent Technology. What happened?

It is possible that someone else entered the wrong phone number when verifying the phone number, so just ignore it.

There may be a system error, so you don't need to pay attention.

It may be a scam message. Ignore it.

CAPTCHA is the abbreviation of "fully automatic public Turing test to distinguish between computer and human", and it is a public fully automatic program to distinguish between computer and human. It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent hackers from constantly trying to log in to specific registered users to use specific programs for violent cracking. In fact, using verification code is a popular way in many websites now, and we have realized this function in a relatively simple way.