The last three digits of a credit card are used for the following purposes:

1. The credit card issued overseas has no password. You only need to provide the last three digits of the credit card to swipe your card overseas.

2, online payment can also choose a credit card without a card password, provide the card number and the last three digits of the credit card and the validity period, and you can pay without a card;

Cardholders should note that after scraping off the credit card verification code, there is no remedy and it cannot be found by any means, so it cannot be scraped off.