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Diagram illustrating the payment systems framework overseen by the Central Bank of the Republic of Turkey

Laws & Regulations

What are payment systems according to the CBRT?

Payment systems are the instruments, processes and rules that enable the transfer of funds or securities between participants. This post explains the conditions a structure must meet to qualify as a payment system and the Turkish regulations that govern them.

Exterior of the Takasbank headquarters building

Payment Systems

What is Takasbank?

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.

Diagram illustrating the ISO/IEC 7810 card dimension standards

Credit Card

What is ISO/IEC 7810?

The ISO/IEC 7810 standard is an international standard that defines the physical characteristics of cards (credit cards, ATM cards, ID cards, etc.) such as physical dimensions, bending, flame and chemical resistance, temperature and humidity resistance, toxicity, and flammability.

UK Open Banking Implementation Entity (OBIE) structure

Open Banking

What Is the Open Banking Implementation Entity (OBIE)?

The Open Banking Implementation Entity (OBIE) is a body set up by the UK's CMA to design and implement Open Banking, developing standards for APIs, security and the wider ecosystem together with other stakeholders.

Chart of the effects of credit card usage on inflation

Credit Card

Does Credit Card Usage Increase Inflation?

The effect of credit cards on inflation has been debated for years. Because I am asked about it so often, I ran a poll on arifunal.com to gather readers' views. This post weighs the positive and negative effects and compares the poll with the research findings.

Screenshot illustrating a prepaid card and its features

Credit Card

What is a prepaid card?

A prepaid card is a customized card, with or without a chip, not linked to a bank account and without a credit limit like credit cards, letting you spend only the amount loaded onto it.

Illustration of a surcharge fee added to a card payment transaction

Merchant & POS

What is a surcharge?

A surcharge is a fee, charge, or tax added to the cost of a good or service. In payment systems, it refers to adding the merchant's transaction commission to the cash sale amount on credit card transactions, resulting in a higher charge.

Diagram illustrating floor limit management on a POS terminal

Merchant & POS

How is Floor Limit Managed on POS?

The limit that governs the maximum amount for which an offline transaction can be made on a POS terminal is called the Floor Limit. POS parameter management programs (usually GMS) maintain 3 parameters for floor limit management.

Prepaid debit card not linked to a bank account

Debit Card

What Is a Prepaid Debit Card?

A prepaid card is a customized card that is not linked to a bank account and has no credit limit like a credit card - you can spend only up to the amount loaded onto it. Prepaid cards function just like a bank card or credit card.