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EMV
The GET DATA command is used to retrieve a primitive data object that is not encapsulated in a record within the current application. It is used to retrieve certain primitive data objects interpreted by the application on the ICC.
Merchant & POS
Contains the terminal-resident data objects (tags and lengths) that the ICC needs when processing the GET PROCESSING OPTIONS command. In short, it is the list of information the card requests from the terminal before starting the transaction.
Closed-Loop Payments
Why does a coffee chain build its own loyalty program, and why does a payment app keep adding services? This post looks at how loyalty, data, and new services drive the growth of closed-loop payment systems, and at the financial layers behind that growth.
Fraud
Card skimming is the theft of card information by copying it with the help of a device. Because data inside the chip is very difficult to steal, chip cards are far more secure than magnetic-stripe cards. Turkey is very advanced in card security technology.
Merchant & POS
AFL (Application File Locator) is the field that shows where on the card the data needed for the authorization transaction is located. AFL is a list of the application data records on the card, and the terminal uses it to read the application data.
General
Who will win in Agentic Commerce? Owning the customer used to be a huge advantage. Once an agent starts deciding on the customer's behalf, where does the real power move to?
Credit Card
The Application Interchange Profile indicates the application functions supported by the card. The AIP values and their descriptions are given below. Where is the AIP found? The AIP is a 2-byte piece of data stored on the card, carried under EMV tag 82.
Payment Systems
Store and Forward (SAF) describes offline transaction processing. It was originally developed when modems were introduced and connections were not always stable, letting terminals store transactions and forward them once connectivity is restored.
Merchant & POS
A smart cash register is a new-generation, IP-based payment recording device that integrates a cash register with a POS terminal. It combines fiscal devices and POS devices in a single unit and transmits data to the Ministry of Finance in real time.
Merchant & POS
Address Verification Service (AVS) is a fraud prevention system that helps limit fraud and chargebacks when used effectively. It verifies that the address a customer enters matches the cardholder's address on file with the issuer.
Credit Card
Credit card fraud is generally committed using the card itself, using card details without the card, via excess or duplicate withdrawals, or by seizing identity information. ATM card trapping is common, since ATMs hold the card during the transaction.
Merchant & POS
The Upper Consecutive Offline Limit is the maximum number of consecutive offline transactions allowed by the issuer's chip card application on a terminal that cannot go online. It is held in tag 9F23.