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"PIN Security"

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Illustration representing communication protocols used in POS payment systems

Merchant & POS

What Are POS Sub-Protocols and Their Use Cases in Turkey?

In payment systems, every exchange between POS devices and bank or payment institution systems runs on a specific messaging standard, generally based on ISO 8583. However, each country, bank, or switch network defines its own version of this standard.

Contactless payment being made with a card at a POS terminal

Online & Authorization

When Does a Contactless Transaction Post to the Account?

A contactless transaction is a fast, secure payment made without direct contact between the card and the POS terminal (without reading the chip or magnetic stripe). Can every card be used for contactless payments? For a transaction to be contactless…

Contactless payment being made with a chip debit card at a POS terminal

Debit Card

Can a debit card (ATM card) be used for contactless transactions?

A contactless transaction is a fast, secure payment made between a chip card and a POS device without direct contact, without the card's chip or magnetic data being read through the card reader. Can this be done with a debit card (ATM card)?

Customer making a contactless payment by tapping a card on a POS terminal

Contactless

What Is a Contactless Transaction?

A contactless transaction is a fast and secure payment made between a credit card and a POS terminal without direct contact, without reading the card's chip or magnetic stripe. Both the card and POS terminal must support contactless transactions.