CVV2 code is a verification code or security code, which is used to check bank cards in indirect credit card transactions (such as online payment). The last three digits of the signature field on the back of the bank card. You can only view it yourself through your own card.

If it is vague, you can cover it with white paper and try to show it by painting it repeatedly.

skill

1. Change the bank card and the verification code will change. If the input error is locked for many times, it will be recovered the next day.

2. For the sake of account security, CVV2 code suggests not to disclose it to others at will.

(Response time: March 2, 2020. Please refer to the latest business changes announced by China Merchants Bank in official website. )