What is CVV, CVV2 or CVC?

CVV is a card security feature where a unique check value is encoded on the magnetic stripe of a card. It is used to validate information during authorization.

CVV2 is a card security requirement found at the end of the signature panel or in a white box outside the signature panel on the back of payment cards.

Finally, CVC is a three-digit value card security feature encoded on Tracks 1 and 2 of a magnetic stripe of a credit card.