1. How can one credit card have two card numbers and what are their respective uses

How can one credit card have two card numbers, one is a UnionPay RMB card and the other is a multi-currency card from other brands Cards, two cards can be used as an account, and the limit can be enjoyed. For example, if the credit limit of this credit card is RMB 10,000, then the two cards must use the same credit limit of RMB 10,000.

2. Bank card

Bank card refers to a credit payment instrument issued to the society by an approved commercial bank with all or part of the functions of consumer credit, transfer settlement, cash deposit and withdrawal, etc. . Bank cards reduce the circulation of cash and checks, allowing banking business to break through the limitations of time and space and undergo fundamental changes.

3. Classification of bank cards

Generally, bank cards are divided into credit cards and debit cards according to whether they grant the cardholder a credit limit.

Debit cards are divided into transfer cards, special cards and stored-value cards according to different functions. Debit cards cannot be overdrawn. Debit cards have the functions of transferring money, depositing and withdrawing cash, and spending money. A special card is a debit card used in a specific area and for special purposes. A stored-value card is a prepaid wallet-style debit card in which the bank transfers funds to the card for storage at the request of the cardholder and directly deducts funds from the card during transactions.

Credit cards are divided into credit cards and quasi-credit cards. A credit card refers to a credit card in which the card-issuing bank gives the cardholder a certain credit limit, and the cardholder can consume within the credit limit first and repay later. A quasi-credit card refers to a credit card in which the cardholder first deposits a certain amount of reserve fund as required by the bank. When the reserve fund is insufficient to pay, the cardholder can overdraw within the credit limit specified by the card-issuing bank.

In addition, bank cards can also

(1) be divided into magnetic stripe cards and chip cards according to different information carriers;

(2) according to whether the issuing entity is in Domestic cards are divided into domestic cards and overseas cards;

(3) According to different issuing objects, they are divided into personal cards and corporate cards;

(4) According to different account currencies, they are divided into RMB cards , foreign currency cards and dual currency cards.