Merchant & POS
What Is Recurring Billing?
Recurring billing is the automatic collection of payments at set intervals and amounts by storing the customer's card details on a secure, PCI DSS-certified infrastructure.
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"CVV"
37 articles found
Credit Card
What should you know before buying a prepaid card?
A prepaid card is a customized chip or chipless card that is not linked to a bank account and has no credit limit like a credit card. You can only spend up to the amount loaded onto the card.
Credit Card
What is CVK (Card Verification Key)?
CVK (Card Verification Key) is the key information used to generate and verify CVV/CVC values, confirming their validity. It is kept as a pair of keys, CVK A and CVK B, encrypted under TMK, ZMK or LMK.
Credit Card
What Is Track2?
A special data set printed on a card's magnetic stripe, containing the card information required for authorization when the card is used physically. It consists of 40 numeric characters. The Track2 field structure includes several data fields such as length and description.
Online & Authorization
Error Codes Used in Authorization Transactions and Their Explanations
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
Payment Systems
Preventing Financial Losses in Payment Systems: Authorization, Clearing, and the Reversal Mechanism
Every payment transaction completes in seconds, yet dozens of controls run behind the scenes. This post covers the precautions for authorization and clearing, the critical role of reversals, and the financial loss scenarios most often seen in the field.
Merchant & POS
Is a Transaction Made by Swiping the Magnetic Stripe of a Chip Card Always a Fallback Transaction?
It's important to first distinguish between magnetic-stripe and fallback transactions. A magnetic-stripe transaction skips the chip entirely, which lowers its security level compared to a fallback transaction.
Payment Systems
Are Permissions on Physical POS Devices Kept Only on the POS and the Host?
No. Besides the POS and the host, permissions can also be kept in the issuer data. This lets banks, for example, allow installments only for a brand's BINs, or allow mail order for credit cards but not debit cards.
Merchant & POS
How does the cancellation (void) process work on a POS?
Many transactions are carried out with cards on a POS terminal. Sometimes a transaction must be reversed, and cancellation (void) is one such transaction. A Sale can only be cancelled on the POS before the batch (end of day) is closed; otherwise a refund is needed.
Payment Systems
What are the 3D Secure Payment Models?
In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.
Credit Card
What is the Card Security Code?
The Card Security Code is a 3-digit numeric value used for cardholder verification and to reduce fraud risk. It is generated during card production and printed either on the card or encoded into the Track 1 and Track 2 data.
Security
What Are Personalized Security Credentials in Payment Transactions?
In payment systems, personalized security credentials are information such as the PIN, card/account/e-money details, expiry date and security code (CVV) that identify the payment instrument and its user.