In , a new e-commerce technology called Motioncode was introduced, designed to automatically refresh the CVV code to a new one every hour or so. However, some merchants in North America, such as Sears and Staples , require the code. A card security code CSC ; also called card verification data [ CVD ], card verification number , card verification value [ CVV ], card verification value code , card verification code [ CVC ], verification code [ V-code or V code ], or signature panel code [ SPC ]  is a security feature for " card not present " payment card transactions instituted to reduce the incidence of credit card fraud. The situation has not improved, and is now worse - there are even more different names now. It is calculated by encrypting the bank card number and expiration date two fields printed on the card with encryption keys known only to the card issuer, and decimalising the result.
What is that 3-digit code on the back of the card called? I can't find a consistent reference as to what to call it. Questions on Stack Overflow are expected to relate to programming within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope.
Read more about reopening questions here. If this question can be reworded to fit the rules in the help center , please edit the question. In many countries in Western Europe, due to increased attempts at card fraud, it is now mandatory to provide this code when the cardholder is not present in person. Because this seems to be known by multiple names, and its name doesn't seem to be printed on the card itself, you'll probably unfortunately still need to tell your users how to find the code - ie by describing it as the "3 digit code on back of card".
The situation has not improved, and is now worse - there are even more different names now. However, you can if you like use different terms depending on the card type:. Please tell me if it is possible.
Are you sure you want to delete this answer? It should be on the back of your card just to the right of where you sign. On mine it will have the last four digits of the number within the signature box and then have the three digit security code beside it. Most, if not all, cards have them for added security. Debit cards do not usually have 3 digit security codes. Look on the back, where the signature strip is. Apparently this card can be issued as a credit or a debit card depending on your bank.
If it is issued at a credit card, the security code should be at the back. Most banks are issuing fresh debit cards to existing customers with CVV numbers to help them do online shopping.
Look on the back. To do this, a merchant or its employee would also have to note the CVV2 visually and record it, which is more likely to arouse the cardholder's suspicion. Supplying the CSC code in a transaction is intended to verify that the customer has the card in their possession. Knowledge of the code proves that the customer has seen the card, or has seen a record made by somebody who saw the card.
The CSC for each card form 1 and 2 is generated by the card issuer when the card is issued. It is calculated by encrypting the bank card number and expiration date two fields printed on the card with encryption keys known only to the card issuer, and decimalising the result. From Wikipedia, the free encyclopedia. American Express also sometimes refers to a "Unique Card Code". Archived from the original on 24 April Retrieved 10 April Archived from the original PDF on Visa Fraud Investigation Scam".
Retrieved 8 December
3-Digit Security Code The CVV2 (Card Verification Value 2) is a 3-digit security code that is printed on the back of your card, at the end of the signature panel. CVV2 is generally used for transactions when the card is not physically presented, such as in online purchases. Have your 3-digit security code ready. Assure the merchant that you have your card in hand. Look for the 4-digit code printed on the front of your card just above and to the right of your main credit card number. This 4-digit code is your Card Identification Number (CID). The CID is the four-digit code printed just above the Account Number.