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"Information Security"

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Old mechanical credit card imprinter machine used to transfer embossed card details onto a sales slip

Merchant & POS

What Is an Imprinter?

An imprinter is the name given to devices that transfer all the information embossed on a credit card onto a paper sales receipt. Before POS terminals, it was commonly used by merchants for authorization transactions.

Table listing ISO 8583 Field 25 (POS Condition Code) values

ISO 8583

ISO 8583 Field Descriptions (F25)

F25 - POINT OF SERVICE (POS) CONDITION CODE is the field that defines the condition under which a POS transaction was performed. Possible values include 00 Normal presentment, 01 Customer not present, 02 Unattended terminal, and more.

Diagram illustrating ISO 8583 Field 61 Point of Service (POS) data structure

ISO 8583

ISO 8583 Field Descriptions (F61)

F61 - POINT OF SERVICE (POS) DATA: This field provides information about the specific status of the POS at the time of the transaction. Position Usage Attribute 1 POS Terminal Attendance Indicator 0 = Attended terminal (Valid for MasterCard debit card and Maestro transactions only).

Illustration representing an AI agent making a payment

Agentic Commerce

Agentic Commerce Series – Part 4

Are We Ready to Give an AI Agent the Authority to Make Payments? Having long looked at complaint and dispute processes in payment systems, I think granting an agent payment authority is far different from research or product selection.

Illustration of ChatGPT Instant Checkout and the Agentic Commerce Protocol

Online & Authorization

Shopping Directly from ChatGPT: A New Era with Agentic Commerce

OpenAI and Stripe announced the Agentic Commerce Protocol (ACP), with Instant Checkout live on Etsy and Shopify in the US. What this means for payment facilitators and e-commerce platforms, and what may come beyond one-click checkout.

FAST instant payment limit raised to 50,000 TL

FAST

FAST Limit Raised to 50,000 TL

The upper limit for FAST transactions, which enable fast money transfers between banks, was raised to 50,000 TL per transaction as of 21 December 2023.

Amazon PayCode cash payment option

E-commerce

What Is Amazon PayCode?

Amazon PayCode is a payment option that lets customers pay for Amazon orders in cash: after checkout they receive a code and pay at a participating Western Union agent location.

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.

Contactless card payment at a POS terminal after the limit increase to 250 TL

Merchant & POS

Contactless transaction limit raised to 250 TL

Current information: this article describes the limit in force at the time of publication. To reduce the risk of the coronavirus (Covid-19) spreading, the contactless transaction limit on credit and debit cards was raised to 250 lira.

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.