Credit cards do not need to have a password. Because:

1. According to international practice, it is more popular abroad to use your signature instead of a password when using a card. The reason is that the password can be stolen, but the signature is unique. Therefore, the habit of foreigners is to sign their name in the signature column after getting the card in the signature style reserved in the bank;

2. In China When applying for a credit card from a bank, you can also choose to set a password on the application form, or choose a signature instead of the password; but you are also a rogue. Generally, banks will also recommend that you set a password, because in China, it is common practice to use cards with a password. , no matter where you use the card in banks, self-service banks, shopping malls, hotels, supermarkets, etc., you will be prompted to enter your password. If you use the card only with your signature, you will find that no one will check it, resulting in the use of the card without a password. The risk is extremely high.

Not setting a password for credit cards is more popular abroad, and there may be some insecurity. But the signature recognition rate is also very high. For example, when signing a contract, it is always done by signing.