1. First, put away the bank card.
2. Wet the bank card signature with a cotton swab, and then erase it.
The signature on the back of the bank card is one of the anti-counterfeiting marks of the bank card. If you look closely, you will find words on it. If it is a credit card, please don't modify it yourself, otherwise, when accepting this card, it can be considered as a fake card and will be confiscated. You can only change your card or repair it through the bank.
Extended data
The function of signature on the back of bank card:
1, the signature on the back of the card is the same as the password of the card, which also protects the interests and safety of the owner. Especially when the card is lost, it is very important to check the signature.
2. If there is no signature on the back of the credit card, it may be fine in China, but it will affect the normal consumption of individuals abroad. Because foreign credit cards are based on signatures. If the card is accidentally swallowed by ATM, the bank staff can register and verify it in time according to the signature on the card, and it is also possible to retrieve the card or return it faster.