The contract lock SMS requires a verification code and is not a scammer. The contract lock SMS requires a verification code, which can be used to confirm the identity and authenticity of the subject's wishes through "signing password, SMS verification code, fingerprint and face recognition, etc." to ensure operational security. Contract Lock is a third-party electronic signing platform with various qualification certifications such as information system security level protection level three certification and trusted cloud certification. Therefore, the contract lock text message that requires a verification code is not a scammer.