You can judge based on the first 6 digits of the card number (card BIN):
1. Debit card (usually 19 digits): the card number is 622203, 621476, 622202, 621226, 622200, Cards starting with 955880, 955881, 955882, etc. are Money Link Cards or E-Age Cards; cards starting with 622208, 621227, 621288, 623229, 621475, 621218, 955888, etc. are Gold Management Cards or ICBC Wealth Management Gold Cards.
2. Credit card (usually 14-16 digits): card number starts with 3, 4, 5, 6 (except international debit cards).
You can also identify it according to these methods:
1. Credit cards have clear words "credit card" and "credit card" on the card surface.
2. There is a laser anti-counterfeiting mark on the front of the credit card, but there is no laser anti-counterfeiting mark on the debit card (except for certain bank debit cards)
3. The credit card must have an expiration date.
4. The words "debit card", "savings card", "cash card", "MAESTRO" and "CIRRUS" clearly appear on the card surface are debit cards.
5. Credit card numbers are all embossed. Debit cards are either flat-printed or embossed.
6. The front of the credit card has the Chinese pinyin of the cardholder’s name, and some also have the gender “MR” and “MS”. A debit card is not necessarily available.
7. There is generally no need to enter a password when making a credit card purchase (except for Shenzhen Development Bank credit cards, CITIC Credit Cards, and some CCB credit cards). You only need to enter 6 or 4 digits on the password key to confirm.
8. Credit cards have expiration dates.
9. There is a CVV code for online payment on the back of the credit card.
Other information on the front of the credit card:
The validity period is embossed below the sixteen-digit card number in the format of MM/YY (month/year), for example: 12/16 means your The credit card is valid until December 2016. The validity period is another verification method in addition to the card number, password, and security code, giving more security! Some transactions such as online/telephone payments will use the validity period.
The first two digits of the card number correspond to different card organizations. Dragon credit cards with different card organization logos can participate in different special promotions and can also be used at different merchants.
Back of card:
Security code (CVV2, CVN2, CVC2) is used to confirm the transaction and is as important as the password. Some websites/phone shopping at home and abroad do not require a password. You can complete the transaction by providing the account number, validity period and security code. In addition, security codes are also used for key operations such as card activation and activation, so be sure not to leak these core information!