The international practice is that credit card consumption does not require a password, and it depends entirely on the signature. But at present, the domestic credit card system is not perfect, and the training for cashiers is not in place. They usually don't check the signature, just let them enter the password.

The signatures of many domestic credit cards are completely in line with international practice, such as China Merchants Bank Credit Card, and some allow users to choose signature or password transactions, such as Bank of Communications Credit Card.

Sometimes the cashier may remind you to enter the password when swiping the card, and it is completely signed. At this time, just enter a 6-digit number casually, which will make you feel fast.

If you use a card with a password, just take care of the password and try not to tell others, just remember it yourself. However, if you use a signed card, you should keep it carefully. If you lose it, you should call to report it as soon as possible to minimize the loss.