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Merchant & POS
A smart cash register is a new-generation, IP-based payment recording device that integrates a cash register with a POS terminal. It combines fiscal devices and POS devices in a single unit and transmits data to the Ministry of Finance in real time.
E-commerce
B2B (Business to Business) is the name for systems used in the dealer networks of large companies, where dealers run supply, stock, distribution and marketing processes efficiently in a closed network.
FAST
The Easy Addressing System (KOLAS) is one of the layered services of FAST, the Central Bank's instant funds transfer system, developed and operated by BKM. It lets users send money via phone number or email instead of an IBAN.
Online & Authorization
You press the pay button and the screen says the transaction failed. Behind that failure are checks on your balance and transaction security. This post explains how funds confirmation APIs work, where they apply, and the situation in Turkey's open banking.
Merchant & POS
The batch number is kept on the POS, incremented by 1 at each end of day, used to transfer transactions to the merchant account and for reconciliation. It's tracked on both the POS and the bank's system.
Merchant & POS
In Turkey, there are 3 payment schemes we are used to seeing: MasterCard, Visa, and Troy. American Express and Diners Club are also used, though less widely. Russia's Central Bank recently said two Turkish banks are preparing to accept Mir cards.
Payment Institutions & E-Money
According to ÖDED, its members are institutions that have applied for or received a license as a payment institution and/or electronic money institution under Law No. 6493. The member list by field of activity is on its website.
Payment Systems
Takasbank (Istanbul Settlement and Custody Bank) exists to increase the competitiveness of Turkey's markets by providing clearing and custody services, financial services, and other economic activities under the relevant legislation.
Closed-Loop Payments
Why does a coffee chain build its own loyalty program, and why does a payment app keep adding services? This post looks at how loyalty, data, and new services drive the growth of closed-loop payment systems, and at the financial layers behind that growth.
FAST
The Central Bank of the Republic of Turkey (CBRT) has implemented a significant limit increase in the FAST system. Under the regulation effective August 26, 2026, the FAST money transfer limit was raised from TRY 100,000 to TRY 300,000. The same increase also applies to Request to Pay...
Closed-Loop Payments
Is Alipay a payment system, or a digital economy? In the previous post we discussed how Starbucks shows that payment systems can evolve into a different structure. At first the goal was to make payment easier for the customer. As the system grew, loyalty programs...
Clearing
In payment systems, a transaction made at a merchant or ATM with a card issued by a different bank becomes subject to clearing. Netting offsets each participant's receivables and payables from these transactions into a single balance.