What is the verification code of Chang Qu Technology?

Chang Qu technology verification code is a combination of randomly generated numbers and letters.

Verification code is a public * * * automatic program, which is used to distinguish whether the user is a computer or a person, and to prevent malicious acts such as cracking passwords, swiping tickets and flooding forums. It can verify the user's identity by asking the user to enter the correct verification code. The verification code can take different forms, including text verification code, image verification code, voice verification code and short message verification code.