Payment Systems
Agentic Commerce Series - Part 2
If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.
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158 articles found
Payment Systems
Preventing Financial Losses in Payment Systems: Authorization, Clearing, and the Reversal Mechanism
Every payment transaction completes in seconds, yet dozens of controls run behind the scenes. This post covers the precautions for authorization and clearing, the critical role of reversals, and the financial loss scenarios most often seen in the field.
Payment Systems
I Want to Establish an E-Money Institution in Turkey. How Should I Start?
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
How Are Taxation and the Tax Base Determined for Payment Services Related to E-Money Issuance?
When payment and e-money institutions were first set up, their commissions were subject to VAT, but BSMV was also debated. General Communiqué on Expenditure Taxes (Serial No: 91) settled the issue; here is how the tax base is determined.
Credit Card
Is a Prepaid Card a Credit Card or a Debit Card?
A prepaid card may look like a debit card since it has no predetermined limit and purchases are limited to the amount loaded by the cardholder, but in terms of use and operating logic it differs significantly from both credit and debit cards.
Credit Card
What is the Service Code on Cards?
The service code is information printed on a card's Track 1 and Track 2 data, covering card type, PIN usage, and domestic/international usage status. It is kept at the product level in bank systems.
Credit Card
Where Can I Find Data on Online Card Payments in Türkiye?
Data on card payments made online in Türkiye is shared by BKM, updated monthly by number and value of transactions. Here is the link and how to interpret the figures.
Credit Card
On the Issue with Visa Contactless Transactions Abroad...
From the outside, Visa contactless looks simple, but once the limit is exceeded and PIN comes into play it gets deeper. Why do response codes 65 and 70 behave so differently on POS devices in different countries, such as the Netherlands and Saudi Arabia?
HSM & Security
What is a transaction performed with stored card data (Credential-on-File)?
Non-face-to-face transactions in which the cardholder authorizes the merchant to store card data, and the merchant uses that stored data to carry out the transaction, are called Credential-on-File (CoF) transactions.
Credit Card
A New Method in Credit Card Fraud!!
Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.
Merchant & POS
Who is liable for a transaction made without a PIN?
Almost all of us carry at least one credit card. Imagine losing your wallet with all your cards inside, and someone with bad intentions finding it and using the cards without a PIN. Who bears the responsibility?
Debit Card
What Are the Cards Issued by E-Money Institutions and Their Transaction Fees?
The use of prepaid cards, and the number of prepaid cards issued by e-money institutions, has risen sharply. This post looks at why, how to choose a card, and which fees prepaid cards charge.