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Merchant & POS
PSD stands for Payment Services Directive, known as the Payment Services Law. It took effect in EU countries in 2009, and in 2015 new revisions were announced as PSD1, aiming to build an efficient, fast, secure, and competitive payment market.
Payment Systems
The Interbank Card Center (BKM) periodically publishes payment systems reports on its website, making it possible to follow the sector's development. The report on mobile contactless and QR code payments is available on the BKM site.
Credit Card
If your card's chip won't read, the chip data is likely corrupted or the POS's chip reader is faulty. This is usually caused by magnetic interaction with another card's chip.
HCE
When we talk about HCE methodology, many interacting architectural components come to mind. The core terms describing this architecture are listed below, starting with GCM/FCM (Google/Firebase Cloud Messaging), a service for sending push notifications.
Credit Card
The customer's name and surname printed on credit and debit cards is called the emboss name. But can the name be printed on a card without any limit? There is a defined field for all information printed on a card, and these fields have specific standards.
Payment System Institutions
TROY, Türkiye's domestic payment method founded by the Interbank Card Center (BKM) and licensed by the BRSA and the Central Bank in March 2016, is being spun off into a separate company.
Fraud
Chargeback is the process of refunding a credit card payment when the goods or services that should have been received were not, or when transactions not made by the cardholder are identified. In Turkish it is translated as reversal of presentment.
Security
An external network scan run every 3 months by an Approved Scanning Vendor authorized by card schemes such as MasterCard and Visa, required for PCI DSS compliance. It checks whether merchant systems are protected against external threats.
Online & Authorization
The Application Transaction Counter is the number of transactions made with the card so far. It increases by 1 with each transaction and can also be used as a transaction number, making transactions easier to track.
Merchant & POS
Introduction: When a card (credit card/debit card/prepaid card) is used at an ATM or POS, data must be carried securely between systems. For example, in a store sale, the POS initiates the transaction, which must reach the cardholder's bank intact.
Merchant & POS
The number of POS terminals, ATMs and cards in Türkiye is reported by BKM and updated monthly. Here is the link and how to read the figures.
HCE
Tokenization generates secure data from a credit card number, using specific algorithms, for use during authorization. In CNP transactions, it removes the risk of storing or compromising the original card number.