Tik Tok wants a verification code. What's going on here?

Perform security verification on the account. According to the information of Tik Tok APP, when using Tik Tok, the system needs the user to provide a valid mobile phone number, and the Tik Tok system will send a verification code to the mobile phone number to verify whether the mobile phone number is true and valid. Tik Tok's account can prevent illegal use and theft. Therefore, the verification code of Tik Tok is to verify the security of the account.