Credit card authentication method:
1, enter the password and internationally accepted signature authentication. Some domestic credit card issuers provide password function, and cardholders can choose password authentication to strengthen the control of cardholders' identity, but this function is usually limited to domestic transactions, and foreign transactions are confirmed by signature.
2. Since the signature-based consumption pattern can become an international standard, the convenience of swiping a card must be guaranteed by security. ?
Extended data:
It is safe to use a credit card;
1. Upon receipt of the new card, you should immediately sign the signature column on the back of the card. The signature doesn't need to be too fancy to distinguish. The key is to be consistent with your usual signature habits; In particular, international cards must be signed before leaving the country, and overseas merchants generally do not accept unsigned cards for credit card spending.
2. Don't disclose credit card information to others in daily life. When swiping a card, please try not to let the card leave your sight. When signing, keep consistent with the signature column on the back of the card. Don't put your credit card and ID card together at ordinary times to avoid unnecessary losses. ?
3. In order to protect the interests of cardholders, major card-issuing banks have launched SMS reminders and other services for large transactions, which is conducive to finding abnormal situations in time and ensuring safety. It is suggested that cardholders should immediately call the service hotline of the issuing bank when they find that the card is not with them or there is an abnormal transaction, and the service specialist can immediately freeze and report the loss of the card to avoid subsequent risks in time.
China Economic Net-The cancellation of 34 service charges has little impact on the bank's performance, with a maximum impact of 5%.
China Economic Net-How to use credit cards safely and conveniently?