ISO 8583
ISO 8583 Field Descriptions (F10)
DE 10, Conversion Rate, Cardholder Billing, is an 8-digit numeric value. The first digit shows the position of the decimal point from the right, and the next 7 digits show the value.
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"Digital Banking"
148 articles found
ATM
15 Interesting Facts About ATMs
Although we can now carry out almost all branch transactions at an ATM, for most of us an ATM is still just a machine for depositing and withdrawing cash. Today, without a card, we can use our phones to deposit and withdraw cash via QR code.
Merchant & POS
POS and Payment Recording Device (OKC) Manufacturers and Providers in Turkey
There are many players in the POS and OKC (Payment Recording Device) market in Turkey. Some of these companies are foreign, while others are domestic. Let's get to know these companies: Ingenico, Verifone, Interpay (PAX), and more.
HSM & Security
What is a transaction performed with stored card data (Credential-on-File)?
Non-face-to-face transactions in which the cardholder authorizes the merchant to store card data, and the merchant uses that stored data to carry out the transaction, are called Credential-on-File (CoF) transactions.
Credit Card
Do I have to use my physical card when shopping?
In the early years of credit cards, using the card physically was mandatory. With the internet and new technologies, we can now pay with only the card details, 3D Secure and contactless NFC payments, even without the card in hand.
Payment Systems
What is Takasbank?
Takasbank (Istanbul Settlement and Custody Bank) exists to increase the competitiveness of Turkey's markets by providing clearing and custody services, financial services, and other economic activities under the relevant legislation.
EMV
What is an Application Identifier (AID)?
The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.
Credit Card
What do I need to do to use my card for e-commerce transactions?
First, your card must be enabled for e-commerce transactions, with domestic and international authorizations usually managed separately. Second, your card must be eligible for 3D Secure transactions.
Online & Authorization
What are EMV Tags?
In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.
Closed-Loop Payments
Is Starbucks Selling Coffee, or Building an Ecosystem? | Closed-Loop Payments #4
Is Starbucks really selling coffee, or building an ecosystem? Prepaid balances, a loyalty program and customer data turn a coffee chain's payments into a closed-loop economy, a very different model from Istanbulkart.
Merchant & POS
What Happens Behind the Scenes When a QR Code Is Scanned? | Closed-Loop Payments #2
In the first post I explained what closed-loop payment systems are and how they differ from open-loop ones. Many of the replies I received boiled down to one question: how do these systems actually work behind the scenes once a QR code is scanned?
Chargeback
What Are the American Express Chargeback Reason Codes?
Chargeback reason codes vary by card scheme. The Amex chargeback reason codes and their descriptions are listed below: American Express Chargeback Reason Codes A01 The charge you submitted did not receive a valid authorization approval code for the amount...