Can the verification code sent by Xuexin.com be blocked?

You can't. According to Xuexin.com's information, Xuexin.com's verification code is a security measure when logging in, and the system will issue a verification code, which is the verification information when logging in. If you give the verification code to someone else, it means that someone is logging in to Xuexin.com account, and the other person will definitely see some personal information of Xuexin.com account after logging in successfully.