CCV is the secure transaction code of credit card, and the so-called password is actually only useful for domestic consumption. If someone takes the last three codes of your credit card to log on to the website of this country for consumption, then you can easily complete the transaction by directly entering the last three codes. Ccv can prove that the payer holds a credit card when paying, and can prevent the credit card from being stolen. The ccv code of a credit card is equivalent to a credit card password, and credit card holders should pay attention to protecting the cvv code from being leaked.
Credit card, also called debit card, is a credit certificate issued by a commercial bank or credit card company to eligible consumers. It is a card with name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature strip on the back. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limits. Credit card consumption is a non-cash transaction payment method, and there is no need to pay cash when spending, and repayment is made on the billing day.
Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to a credit card in which the cardholder has a certain credit limit and can spend first and then repay. Quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve fund according to the regulations, and when the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the prescribed credit limit. Credit cards generally refer to credit cards.
The credit card has at least the following information on its surface:
1. Front: name and logo of the issuing bank, credit card type (organization logo) and holographic anti-counterfeiting logo, card number, English or pinyin name, activation date (generally calculated to month) and validity period (generally calculated to month). The chip is attached to the front of the newly issued card, and the chip account and the card magnetic stripe account are two relatively independent accounts.
2. Back: the magnetic stripe of the card, the cardholder's signature column (which must be signed after activation), the service hotline, the four or all digits after the card number (to prevent fraudulent use), and the credit card security code (the three digits immediately after the four digits in the signature column on the back of the credit card are used for credit card activation, password management, television, telephone and online transactions, etc. ).