Credit card special installment quota is a large-scale installment business provided by banks to credit card customers. For example, the key installment quota of China Construction Bank credit card is to meet the needs of customers purchasing household durable goods, cars, home decoration, travel, academic and other consumers. Generally, only high-quality credit card holders of banks have the opportunity to obtain credit card special installment payment quotas, and credit special installment payment quotas generally do not occupy the credit card credit limit.

What is the security code of a credit card?

The credit card security code, also called the cvv2 code, usually consists of 3 or 4 digits and is printed on the back of the credit card. It is mainly used for online transactions, telephone transactions and other transactions that require security verification to verify whether the cardholder holds the card during the transaction.