Spend a few dollars to buy a bottle of hydrogen peroxide and use a cotton swab to wet the bank card signature strip to erase the signature.

1. First, put away your bank card.

2. Wet the bank card signature with a cotton swab and then wipe it off.

The signature on the back of the bank card is one of the bank card anti-counterfeiting marks. If you look carefully, you will find that there are characters on it. If it is a credit card, please do not modify it yourself. Otherwise, when the card is accepted, it will be considered a counterfeit card and will be confiscated. You can only change the card through the bank or repair it.

Extended information

The functions of signing the back of the bank card:

1. The signature on the back of the card is the same as the card password, and it also protects the owner's interests and security. . Especially if the card is lost, it is important to check the signature.

2. If there is no signature on the back of the credit card, it may be okay in China, but it will affect personal normal consumption abroad. Because foreign credit card payment depends on the signature. If the card is accidentally swallowed by an ATM machine, bank staff can perform timely registration and verification based on the card's signature, and may also be able to retrieve the card or handle card refunds more quickly.