The Card Security Code (CSC), sometimes called Card Verification Value (CVV or CV2), Card Verification Value Code (CVVC), Card Verification Code (CVC), Verification Code (V-Code or V Code), or Card Code Verification (CCV)'s a security feature for credit or debit card transactions, giving increased protection against credit card fraud. There're actually several types of security codes: The first code, called CVC1 or CVV1,'s encoded on the magnetic stripe of the card and used for transactions in… (More on Cvv2)