How to query the reserved mobile phone verification code of bank card?

You can go to the bank counter to handle the inquiry business, and bring your ID card and bank card to the bank counter to handle the inquiry.

The appearance of SMS verification code plays an important role in advanced identity recognition, which prevents the appearance of a large number of virtual users and ensures the authenticity of each customer's information.

Generally, when online shopping pays, the website will send a verification message to the mobile phone number bound by the user to ensure that it is operated by itself, which greatly ensures the property safety of the user.

Extended data

CAPTCHA is the abbreviation of "automatic public Turing test to distinguish between computer and human", and it is a public * * * automatic program used to distinguish whether the user is a computer or a human.

It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent hackers from constantly trying to log in to specific registered users and use specific programs for violent cracking. In fact, using verification code is a popular way for many websites now, and we have realized this function in a relatively simple way.

References:

? Baidu Encyclopedia-Verification Code