What does the attribution verification code mean?

Security measures used to verify the identity of users. According to the query of CSDN blog, the attribution information verification code is a security measure to verify the identity of users, which requires users to input additional information when logging in or performing sensitive operations, such as SMS verification code, email verification code, fingerprint identification and so on. Its purpose is to improve account security and prevent unauthorized people from accessing users' personal information or committing fraud.