Merchant & POS
What is CAVV? What is AAV?
CAVV and AAV are verification codes used in 3D Secure transactions to ensure transaction integrity and security. CAVV is used by Visa, while AAV is used by Mastercard.
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"payment authorization"
183 articles found
Fraud
How Do Fraud Applications Work?
Fraud management is used to detect possible fraud on customer accounts and provides additional security for transactions when necessary, making it one of the top priorities for banks.
Credit Card
What happens if I enter CVV2 incorrectly in my online transactions?
With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).
Credit Card
Congratulations, You Won Gift Points..
A real attempted card fraud story: a fake Facebook friend request, a promise of free bank points, and a request for card number, expiry date and CVV2. Here is what happened and how to protect yourself.
Credit Card
Differences Between a Credit Card and a Debit Card
Although debit cards and credit cards look similar in appearance, there are fundamental differences between them, from cash advances to installments and security.
Merchant & POS
What is Batch Upload?
When a transaction is made through a POS, it is recorded both on the POS itself and in the acquiring bank's authorization system. At batch close, the POS sends all its transactions to the bank, which reconciles them against its own records.
Online & Authorization
What is EMV?
EMV stands for Europay, Mastercard and Visa. In 1994 these companies formed a working group to set chip-card standards, leading to the EMV standards used worldwide today.
Credit Card
I'm Getting a '12 - Invalid Transaction' Error on Authorization. What Should I Do?
The '12 - Invalid Transaction' error is usually returned when the issuer declines the transaction. It typically occurs when the same card is tried repeatedly at the same merchant for the same amount in quick succession.
Payment Institutions & E-Money
What are the requirements to become a representative of a payment institution or e-money institution?
The requirement for natural and legal person representatives is set out in Article 13(7) of the Regulation and refers to Article 8(1)(d) of Law No. 5411, which excludes persons convicted of certain offenses.
Merchant & POS
EMV Chip Transaction Processing - What Is Application Selection?
In EMV transactions, Application Selection is the process of choosing among the applications supported by both the card and the terminal. It is the first stage of authorization, so it is very important. This post covers the PSE and List of AIDs methods.
EMV
What is the Registered Application Provider Identifier (RID)?
RID is part of the AID value, which is structured according to ISO/IEC 7816-5 and consists of two sections: a value specific to the application provider, and an optional field used to identify different providers or products.
Merchant & POS
Don't Dismiss the POS Receipt
In daily credit card purchases, the POS produces two receipts: the Customer Copy and the Merchant Copy. The cardholder gets the customer copy; the merchant keeps its own copy by law.