Chargeback
What are the chargeback dispute types?
A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.
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"Payment Security"
277 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.
Merchant & POS
How Digital Are You in Payment Systems?
Digitalization has brought major change to payment systems, just as it has to every area of our lives. Its biggest impact has been turning the financial world into something virtual, spanning IoT, mobile payments, blockchain and biometrics.
HSM & Security
What is ZPK (Zone PIN Key)?
ZPK, also known as the PIN Protection Key, is a data encryption key that is distributed automatically and used to encrypt PINs. It is also referred to as the 'Working Key'. This key allows PIN information to be carried securely across the network.
Credit Card
Contactless Payment Limit Is Being Raised
Current information: this post describes the limit that applied at the time of publication. According to a BRSA letter to banks, the PIN-free contactless transaction limit, raised to 750 TL in July 2022, will become 1500 TL from 1 July 2024.
Agentic Commerce
Agentic Commerce Series – Part 4
Are We Ready to Give an AI Agent the Authority to Make Payments? Having long looked at complaint and dispute processes in payment systems, I think granting an agent payment authority is far different from research or product selection.
Merchant & POS
What Is Virtual POS?
Virtual POS is the software-based, security-enhanced equivalent of the physical POS devices used for card payments at merchants, designed for online shopping. It is not issued to individual customers, only to sole proprietorships, companies, or foundations and associations.
Payment Institutions & E-Money
What Is an E-Money Institution? Which Services Can It Provide Under Law No. 6493?
The Law defines e-money as monetary value issued in exchange for funds accepted by the issuer, stored electronically, used for payment transactions and accepted as a payment instrument by persons other than the issuer. This post explains e-money institutions and the services they may provide.
Merchant & POS
What Is a Marked-Up Exchange Rate?
In payment systems, exchange rate information is used in two places: POS devices that support foreign currency transactions, and credit card transactions made in a foreign currency (usually abroad).
Credit Card
Physical or Virtual Credit Card: Which Do You Prefer?
Digitalization is reshaping payment systems. Credit cards are moving from physical plastic to virtual cards, e-wallets and mobile payments. Will physical card use disappear completely? Here is a look at the trends, Generation Z and the remaining gaps.
ATM
Today Is the Anniversary of the ATM Entering Our Lives!
The first device that can truly be called an ATM was produced by De La Rue for Barclays Bank and put into service in Enfield, London, on 27 June 1967. The ATM came to Türkiye in 1982.
Payment Systems
Dynamic CVM Limit Management Approach: A New Era in Card Security
One of the most notable recent developments in card payments is that contactless limits are no longer fixed and can be managed dynamically per customer. Mastercard and Visa are taking different but complementary approaches, and ISO 8583 may need to evolve with them.