Why do people want the verification code of my secret letter?

Access to personal information and privacy. The verification code of enterprise secret letter is that personal information belongs to personal privacy, and giving it to others is equivalent to obtaining personal information and privacy. Verification code is used to confirm identity and prevent malicious registration. On the Internet, verification codes are often used to protect account security. After entering the verification code, the system will verify the submitted information. If it doesn't match, you will be asked to re-enter the correct information until it matches.