The CVC code of your credit card is located on the back of your credit card. The CVC of a credit card is a verification code consisting of three numbers. On most brands of credit cards, such as Visa, MasterCard and Discover, the CVC code can be found on the back of the credit card. A credit card is a credit payment instrument issued by a bank or credit card company. It allows cardholders to make purchases, withdraw cash and other transactions within the credit limit, and repay within an agreed time. Credit cards have wide acceptance and can be used worldwide. For internal use, it provides cardholders with great convenience and flexibility. The basic functions of credit cards include consumption payment, cash withdrawal, transfer, etc. Cardholders can use credit cards for shopping and consumption in shopping malls, restaurants, supermarkets and other places, without Carry lots of cash.