The credit card number is the credit card number, which is a series of numbers printed on the front of the credit card, usually 16 digits.

A credit card is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. It is in the form of a card with the name of the issuing bank, validity period, number, cardholder name, etc. printed on the front and the name of the cardholder on the back. Cards with magnetic strips and signature strips.

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