Do you need a verification code for Taobao Alipay payment?

1, SMS authentication service is a higher-level security protection product based on mobile phone binding. After joining the SMS verification service, bank account information modification, certificate verification, password retrieval, and a certain amount of account fund change all need to be confirmed by mobile phone verification code.

2. Cancel the mobile phone binding service, that is, cancel the SMS verification service.

3. Canceling SMS verification service does not mean canceling mobile phone binding service.

Extended data verification code is the abbreviation of Turing test to automatically distinguish between computer and human, and it is a public * * * automatic program to distinguish between computer and human. It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent a hacker from constantly trying to log in to a specific registered user to use a specific program to violently crack. In fact, using verification code is a popular way for many websites now.

Mobile phone verification code is the most effective verification code system by sending verification code to mobile phone. Large websites, especially shopping websites, provide SMS verification code function, which can accurately and safely ensure the safety of shopping and verify the correctness of users.

Some authentication code providers provide SMS authentication code service. Each website sends a request to the provider's server through the interface, and the server sends random numbers or letters to the mobile phone, and the provider's server verifies the authentication code uniformly.

Baidu Encyclopedia-Verification Code