Fraud
How Do Fraud Applications Work?
Fraud management is used to detect possible fraud on customer accounts and provides additional security for transactions when necessary, making it one of the top priorities for banks.
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Credit Card
What Products and Services Does KKB Offer Directly to Members?
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.
Fraud
What should merchants pay attention to in order to reduce fraud?
In payment systems, fraud means using someone else's credit or debit card to carry out a transaction at a merchant or ATM, gaining unfair profit and causing loss to the real cardholder, the merchant, or the bank. Fraudsters…
ISO 8583
What Fields Make Up ISO 8583?
We covered the ISO 8583 basics in an earlier article. This post explains the ISO 8583 message structure in detail: every ISO 8583 message consists of three main parts - the MTI (Message Type Indicator), the Bitmap, and the Data Elements.
Chargeback
What Is HİYS (Dispute Management System)?
The Dispute Management System (HİYS) is the system used among BKM members to share chargeback transactions and the supporting documents that must accompany them, linked to Domestic Clearing and Settlement System data.
Payment Systems
Where Can I Find Data on Mobile Contactless/QR Code Transactions Made in Türkiye?
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.
Payment Systems
What Is TCR (Transaction Record Component)?
TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.
Merchant & POS
What Kind of Insights Can We Draw from Province-Level Merchant, POS, and ATM Counts?
All banks report the POS and merchant data they allocate to customers to BKM's MIV and MPV systems, which BKM then reports. These notifications include merchant and POS location details such as address, province, and district.
Credit Card
Why Was the Credit Card Minimum Payment Threshold Raised to TRY 100,000?
The BRSA raised the card limit threshold used to set the minimum payment rate from TRY 50,000 to TRY 100,000. This post explains what changed, why now, the short-term relief, the risk of carried-over balances, and which data to watch.
Merchant & POS
What Is MPV (Central POS Database)?
MPV stands for Merkezi POS Veritabanı (Central POS Database), BKM's shared database of all POS terminals operated by its card-accepting members, used for support, statistics, fraud analysis and the Common POS Management System.
HCE
What Is NFC?
NFC, known as Near Field Communication, is a technology that transfers data wirelessly between devices within 10 cm. It is used for data transfer, device pairing, and as the basis of contactless payments.
Payment Systems
What Could Neuralink Change in Payment Systems?
Elon Musk was set to unveil Neuralink, a brain-computer interface. What is Neuralink, and how might payment systems change if payments, cards, ATMs and POS devices move from phones to a chip in the brain?