CCV is an authentication scheme established by credit card companies to further efforts towards reducing fraud for internet transactions. It consists of requiring a card holder to enter the CCV number in at transaction time to verify that the card is on hand.
Visa & MasterCard: This number is printed on your cards in the signature area of the back of the card. (It is the last 3 digits AFTER the credit card number in the signature area of the card).	American Express: A 4-digit number on the front, just above your credit card number.
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