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Screenshot of a digital wallet mobile application interface

Credit Card

What is a digital wallet?

A digital wallet is an electronic wallet where credit, debit, or prepaid cards are registered in one place. Cardholders can securely add, store, update, and delete card details, then pay with a single click.

Illustration explaining OTP one-time password verification

Security

What Is OTP (One-Time Password)?

These are passwords generated for one-time use and sent to the cardholder's phone to verify card transactions in payment systems. The password sent during a 3D Secure transaction is a common example.

Credit cards inside an open wallet

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?

Person reviewing credit card statement mistakes to avoid

Credit Card

Never do these things when using a credit card

Nearly all of us have at least one credit card in our wallet and use credit cards for almost all of our transactions. A credit card is a good tool for tracking spending, but common mistakes can turn it into a serious problem.

Diagram illustrating the card payment arbitration process

Chargeback

What is Arbitration?

Arbitration, by definition, is a dispute resolution method in which disputes are settled by arbitrators the parties choose themselves, rather than by official courts. In payment systems, it follows a chargeback when the issuer and acquirer cannot agree.

Illustration of a multicurrency POS terminal supporting multiple foreign currencies

Merchant & POS

What Is a MultiCurrency POS?

Multicurrency POS refers to POS devices that can process transactions in foreign currencies (USD, EUR, GBP, etc.) in addition to Turkish Lira. Merchants using a MultiCurrency POS can process transactions in different currencies for international cardholders.

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.

Affinity credit card with club logo illustration

Credit Card

What is an Affinity Card (Membership Card)?

An affinity card is a type of credit card issued by a bank that carries the logo of a social organization such as an association, foundation, sports club, or charity (for example, Fenerbahce Bonus). It is similar in structure to a co-branded card.

Illustration of personal data protection under the Turkish Personal Data Protection Law (KVKK)

Merchant & POS

What is the Personal Data Protection Law (KVKK)?

The Personal Data Protection Law was adopted by the Grand National Assembly of Turkey on 24/03/2016 and published in Official Gazette No. 29677 on 07/04/2016. It protects individuals' rights in the processing of personal data and sets the rules that data controllers must follow.

Virtual POS online card payment illustration

Merchant & POS

What Are the Benefits of a Virtual POS for Merchants?

A virtual POS is a payment platform that enables online payments by credit or debit card. Banks also give merchants interfaces for mail order, pre-authorization, cancellations and refunds.