verification
value) in English. The verification code is displayed on the back of the credit card, and the top at the end of the signature is displayed in italics. There are 7 digits at the end of the signature column on the back of the credit card, the first four digits are the last four digits of the card number, and the last three digits are the verification
code, that is, the last three digits. Note that this verification code does not refer to the password of the credit card. The "last three codes" on the back of a credit card is an important element of online transaction. After obtaining the card number, expiration date and "last three codes" of the credit card, you can swipe your card online to cancel the < P > fee, which is regarded as my own transaction. Since the password of any issuing bank is only applicable in China, there is no need for a password to swipe a card on a foreign website. It is for this reason that the so-called "shocking loophole" of credit card payment has been created. This
loophole in payment is most prominent when booking air tickets online. Ctrip. com and eLong. com only need to provide the card number, the validity period of the credit card, the "last three" verification codes and the ID number of the cardholder. For credit cards issued by some banks, Ctrip. com can even buy air tickets without telling the "last three" verification codes of credit cards.
2. It is suggested that credit card holders should improve their awareness of safe card use.