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Merchant & POS
The Regulation on the Non-Use of Crypto Assets in Payments, published in the Official Gazette on 16 April and effective from 30 April, looks set to seriously affect cryptocurrency developments in Turkey. Here are its key points and the full text.
Payment Systems
Let's start by defining e-money. In general terms, e-money is a monetary value stored on a secure technological device (such as a computer disk). E-money is a concept defined under Turkish law through legislation enacted by the BRSA (BDDK).
Merchant & POS
In the first post I explained what closed-loop payment systems are and how they differ from open-loop ones. Many of the replies I received boiled down to one question: how do these systems actually work behind the scenes once a QR code is scanned?
HSM & Security
A Trusted Execution Environment (TEE) is an environment where executed code and accessed data are isolated and protected in terms of confidentiality (no one has access to the data) and integrity (no one can alter the code or its behavior). We may not realize it, but many…
Credit Card
The coronavirus has turned the past month into a new way of life. How will these changes affect payment systems? This post reviews the March 2020 data announced by BKM, including the surge in contactless and online card payments.
Merchant & POS
The System Trace Audit Number (STAN) is a number assigned by the third-party system (ATM or POS) to help uniquely identify a transaction. It is generated in the range 000001 to 999999. Each new authorization message needs a new STAN; retries reuse the original STAN.
Chargeback
A chargeback is when a cardholder asks the issuing bank to refund a transaction made without their knowledge. It cannot be prevented entirely, but simple precautions can minimize the risk. Here is how the process works and what cardholders should do.
Credit Card
Payment systems statistics are reported periodically by the Interbank Card Center (BKM), including total card count, total card turnover, and the growth trend of the card world in the period.
FAST
Current information: This post describes the limit in effect at the time of publication. The FAST transaction limit, introduced in January, was raised periodically and reached 1,000 TL as of January 29. See the newer post for the current FAST limit.
Merchant & POS
BKM publishes card usage data every three months. In the first half of 2020, card payments reached TL 500 billion, contactless payments tripled, and online card payments surged in the electronics and clothing sectors.
Payment Systems
Digital Account Checking underpins many innovative banking and FinTech services. In most cases, it is performed by Account Information Service Providers, which supply data from customers' online bank accounts to other banks and third-party providers.
Credit Card
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).