2.CSC code is only applicable to credit cards, while debit cards do not have CSC code. Debit cards can only be used to register ebay accounts, and cannot be used for authentication.
3. There are two ways of authentication: debit card and credit card. For debit card authentication, CSC authentication code is not required.
Credit card is generally a special carrier plastic card with consumer credit, which is 85.60mm long, 53.98mm wide and 1mm thick. It is issued by banks to individuals and units, so that they can shop, spend and deposit and withdraw cash from banks. The form is a card with the name, expiration date, serial number and cardholder's name printed on the front, and the card surface has a chip, a magnetic stripe and a signature strip.
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China Bank is the first new payment tool-Great Wall Electronic Debit Card, which adopts international standards, operates online, and does not need guarantee and deposit, and does not need credit review. 50 yuan's RMB can be opened, which is popular all over the country. Recently, Bank of China and VISA International jointly launched.
Baidu Encyclopedia: China Bank Debit Card