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Diagram showing the role of the Access Control Server (ACS) in the 3-D Secure authentication flow

Security

What is Access Security Control (ACS)?

Access Security Control (ACS) is the security protocol that the card-issuing bank must maintain in 3-D Secure to support cardholder authentication, functioning as a complete authentication solution for issuers and payment processors.

Credit card and smartphone illustrating online card payments without physically presenting the card

Credit Card

Do I have to use my physical card when shopping?

In the early years of credit cards, using the card physically was mandatory. With the internet and new technologies, we can now pay with only the card details, 3D Secure and contactless NFC payments, even without the card in hand.

Collection POS web-based payment management dashboard

Merchant & POS

What is a Collection POS?

A Collection POS is a secure, web-based payment platform through which businesses and institutions manage their collections and generate the reports they need. Many similar products exist on the market under different names.

Cover page of the CBRT guide linking payment business models to payment service types

Payment Systems

Guide Linking Payment Business Models to Payment Service Types Published

This Guide links business models frequently encountered in the payments field to the payment services listed in Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions, and aims at uniformity in practice.

Contactless payment with a card on a POS terminal

Contactless

7 Reasons to Make Contactless Transactions

It is important to use contactless cards to prepare our payment habits for the future. In Turkey, one in every 3 cards and one in every 4 POS terminals is contactless-enabled, yet usage remains around 5%.

Bitcoin versus electronic money comparison illustration

Payment Systems

Is Bitcoin Electronic Money?

Electronic money is a legally defined concept in Türkiye under Law No. 6493. Since Bitcoin is not linked to any central bank or official institution and does not meet the required conditions, it cannot be considered electronic money.

Virtual currency versus electronic money

Payment Institutions & E-Money

Are Virtual Currency and Electronic Money the Same?

No. Virtual currency is a digital representation of value not issued by any central bank, credit institution or e-money institution. Electronic money is defined in Turkish law and is tied to an electronic money institution.

Electronic money definition illustration

Payment Institutions & E-Money

What Is Electronic Money?

In general, electronic money is monetary value stored on a protected technological device. Turkish law defines it under Law No. 6493 as electronically stored value issued against funds and accepted by third parties as a means of payment.

Secure Card Reader for PIN with mobile device

Security

What Is a Secure Card Reader for PIN (SCRP)?

A Secure Card Reader for PIN (SCRP) is a multi-function card reader that turns any iOS, Android or Windows device into a payment terminal able to accept chip and contactless payments with PIN.

Illustration explaining how NFC technology enables contactless payments

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.

Illustration representing Strong Customer Authentication (SCA) under PSD2

Payment Systems

What is Strong Customer Authentication (SCA)?

Strong Customer Authentication (SCA) is a security requirement introduced under the EU's Payment Services Directive 2 (PSD2) to increase security and reduce fraud in online payment transactions. SCA requires two of three independent authentication factors.

Illustration of a digital wallet storing payment card information

Credit Card

What Is a Wallet?

The term 'wallet' has many definitions in payments and fintech. In general, it refers to digital wallets (e-wallets) used in e-commerce, popular because they let users securely store payment information and pay easily.