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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"chargebacks"
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Chargeback
What Is Compliance (Regulatory Compliance)?
Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.
Merchant & POS
Offline PIN Counter = 0 Scenario: Who Is Liable for Transactions Approved Without a PIN?
In EMV-based debit card transactions, PIN verification is decisive for both security and liability. What happens when a card that only supports online PIN is sent to the issuer without a PIN, and the issuer approves it? Who owns the risk?
Fraud
Do Cardholders Have the Right to Dispute Transactions Made Without Their Knowledge?
Yes. Cardholders have the right to dispute transactions made with their cards without their knowledge. Here is how the process, known as a chargeback, works.
Chargeback
What is TRIP (Turkey's Communication Platform)?
TRIP (Turkey's Communication Platform) is a central platform developed by BKM to fight fraud, bringing together Case Filing, Issuer and Acquirer Chargeback operations (Pre-Arbitration, Pre-Compliance, Arbitration, Compliance), and ATM deposit/payment dispute operations.
Security
What Is Forgery in Card Payments?
Forgery in card payments means transactions made with card details without the cardholder's knowledge, or purchases with counterfeit or stolen cards. Merchants cannot eliminate fraud and chargeback risk, but they should aim to reduce it to reasonable levels.
Online & Authorization
What are the Transaction Code (TC) Types Used in the Clearing System?
In payment systems, the term transaction refers to the operations performed. Each transaction has its own distinct characteristics. For example, a Sale made from a POS differs from a Sale Cancellation or a Cash Withdrawal made from an ATM.
Merchant & POS
What is a 3D Secure transaction?
In e-commerce transactions, the system developed to increase transaction security for payments made with credit and debit cards is called 3D Secure. When paying with 3D Secure, a special payment screen provided by the banks appears on the user's screen.
Credit Card
What Is the Data Integrity Monitoring Program?
Published by Mastercard on 24 May 2019, the Data Integrity Monitoring Program monitors transactions (authorization, clearing, chip, chargeback, etc.) in the Mastercard system to reduce erroneous transactions and increase transaction success rates.
Chargeback
What Is a Good Faith Request?
A good faith review request is a written request that issuers and acquirers send each other to collect on a transaction when the dispute (chargeback) process cannot be run. The requesting party states its grounds.
Payment Systems
What Are Closed-Loop Payment Systems? The Hidden Side of the Payments World | Closed-Loop Payments #1
The Hidden Side of the Payments World. The words a person working in the payment systems industry hears most over a career are probably Visa, Mastercard, POS, debit card, virtual POS, acquiring and card issuing. Frankly, my own career did not unfold very differently from that journey...
Laws & Regulations
What Are the Visa Core Rules and Visa Product and Service Rules Documents? How Can I Access Them?
The Visa Core Rules and Visa Product and Service Rules documents define the fundamental rules that apply to all institutions in the Visa network. They are updated regularly, and all members are expected to follow the latest version.