The CVV2 code of the credit card, also known as the security code. There is a signature column on the back of the credit card with seven numbers on it. The first four digits are the first four digits of the credit card number, and the last three digits are the CVV2 code. Generally, when it is used for indirect credit card transactions, you can pay successfully by directly entering the last three digits.
There are three important information on the credit card: card number, expiration date and CVV2 code. If these three pieces of information of your credit card are obtained by criminals, your credit card will be stolen. Although the credit card is right next to you, the other party can still use your credit card for spending. Therefore, these three pieces of credit card information should be protected.
Can I get a credit card if someone else takes my ID card?
To apply for a credit card, you need to be present in person, submit your ID card, fill in relevant information such as income, work unit and family members, and issue the card after verification.
It is impossible for others to apply for a credit card with a non-personal ID card. Some banks need an ID card to take photos, provided that the photographer and the ID card photo are the same person, and the information submitted by the cardholder has been reviewed by many parties. So it is impossible to apply for a credit card without an ID card.