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EMV
The Visa EAS Server (Extended Access Service) is a server used in Visa’s authentication infrastructure. It was developed to run the cardholder authentication process securely between banks and the Visa network, particularly within Visa Secure (3-D Secure 2.x).
Laws & Regulations
A payment institution is a legal entity that provides payment services for electronic payments through the infrastructure it offers. This article covers the Turkish regulatory framework, licensing, safeguarding, supervision, penalties and taxation.
Fraud
Contactless transactions have grown rapidly, but can a payment really be made from your wallet without your knowledge? Here is what the actual risks and safeguards look like.
Merchant & POS
An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.
Payment Systems
ISO/TC 68 is a technical committee within the International Organization for Standardization in Geneva, responsible for developing and maintaining international standards for banking, securities and other financial services.
Payment Systems
In payment systems, an “appeal” is the process of objecting to the outcome of a transaction dispute. It is usually discussed alongside chargebacks, but it plays a critical role in interbank dispute resolution, when a party asks the card scheme to re-evaluate a concluded decision.
Payment Institutions & E-Money
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
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.
Merchant & POS
These are devices connected to a POS terminal that allow fast payments, up to a certain limit, using contactless credit cards or prepaid cards by tapping them on the contactless reader instead of the POS's card reader. Can every POS have a contactless reader attached?
Credit Card
KKB was established, under banking law, to enable the exchange of all kinds of information and documents among at least five banks, and it also shares credit information about customers. The Credit Bureau of Turkey also serves deposit banks, participation banks, financial institutions, and more.
Merchant & POS
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?
Payment Institutions & E-Money
On 7 October 2023, the CBRT amended the Communiqué on Information Systems of Payment and E-Money Institutions and Data Sharing Services of Payment Service Providers, first published on 1 December 2021. Links to the new text, a comparison table and a detailed summary of changes follow.