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"POS terminals"

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Expiration date printed on the front of a payment card

Credit Card

What Is a Card Expiration Date?

What is a card expiration date? Learn why banks print this date on every card, how it's used in purchases, and what happens once it passes.

Payment systems in Türkiye overview

Payment Systems

What Are the Payment Systems in Türkiye?

When we hear “payment systems”, card transactions at POS terminals or ATMs usually come to mind. Let's look together at the payment systems recognized by the Central Bank.

Illustration explaining the concept of the first online transaction after a card PIN change

Merchant & POS

What Does First Online Transaction Mean?

In payment systems, an online transaction means the transaction is sent to the card or POS/ATM bank at the moment it occurs, and required checks are obtained from that system. So does every transaction happen online? Of course not. Especially with contactless...

Illustration of a contactless payment card being tapped on a POS terminal

Contactless

What is Magnetic Stripe Data (MSD)?

As end users, we have come to love contactless payments, which are becoming a bigger part of daily life. So what features let contactless cards make payments without touching the POS terminal? There are two classes: MSD cards and Contactless EMV cards.

Courier handing a package to a customer for cash-on-delivery payment

Merchant & POS

What Is Cash on Delivery?

Cash on delivery means paying for an online order at the moment of delivery, usually in cash, though some e-commerce sites also accept card payment at the door. It boosts sales and builds trust, but carries risks like missing POS terminals and refused deliveries.

Diagram illustrating that credit cards and debit cards require separate BIN ranges

Credit Card

Can a Single BIN Issue Both Credit and Debit Cards?

A single BIN cannot be used to issue both a credit card and a debit card. If a bank offers both products, it has at least two different BINs, allocated and announced separately by card type.

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?

Illustration representing the advantages and disadvantages of credit cards

Credit Card

What Are the Advantages and Disadvantages of a Credit Card?

Credit cards can be a convenient way to manage income and expenses, but for those who don't know how to use them, they can become an expensive and risky product. Here are the key pros and cons to weigh before applying for one.

Diagram illustrating an Onus payment transaction between card and POS

Merchant & POS

What does Onus mean?

In the payment systems glossary, some terms are essential, including Onus. Onus literally means "on us" and refers to cases where the card-issuing bank and the POS/ATM bank are the same, meaning no clearing commission applies.

Illustration of a card present transaction being processed at a POS terminal

Security

What is a CP (Card Present) Transaction?

A CP transaction refers to a card transaction in which the card and cardholder are physically present at the location. Card Present transactions occur when the card's magnetic stripe or chip data is read by a POS terminal or ATM, or via contactless.