What does nice mean by sending verification code?

Nice sends the verification code because someone wants to log in to the platform with the account that received the SMS.

The verification code is used to register login. It is its function that can effectively prevent malicious login and registration, and the verification code is different every time.

Verification code is a public program that automatically distinguishes whether a user is a computer or a person. It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent hackers from constantly trying to log in to a specific registered user by using a specific program brute force cracking method.