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ISO 8583
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.
Credit Card
Due to how payment systems work, authorization is obtained for a transaction first. For a Not Onus transaction (different card and POS banks), the system waits for it to arrive via the clearing incoming file. If it does not arrive within about a week, the transaction expires.
Merchant & POS
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.
Security
The TBB book 'Fraud Detection and Prevention Methods in Banking' analyzes the types of fraud threatening the banking and finance sector and individuals, with examples from the world and Turkey, and offers protection recommendations. This post explains how to access it.
Cryptocurrency
Cryptocurrencies are becoming part of everyday life and are expected to compete seriously with card payments. This glossary explains the key crypto terms, from address, altcoin and arbitrage to halving, mining, proof of stake and stop-loss.
Merchant & POS
The answer depends on the type of POS terminal. A physical POS (GPRS, Dial-Up, IP, or cash-register POS) requires working with a bank. A virtual POS can also be obtained from a payment institution without a separate bank agreement.
Payment Systems
Let's start by defining e-money. In general terms, e-money is a monetary value stored on a secure technological device (such as a computer disk). E-money is a concept defined under Turkish law through legislation enacted by the BRSA (BDDK).
From My Readers
I occasionally receive questions from my readers, and I answer them by email or through other channels. Since others may have similar questions, I will publish these questions on my site along with the answers. Hello Mr. Arif, I read your articles from time to time and...
Merchant & POS
A Z Report is a report taken at the end of the business day, bearing a sequential number, that gives detailed information about sales made using a cash register during a business day, the revenue earned, and the VAT collected.
ATM
With a protocol signed on 04.04.2018, Türkiye's public banks launched the “Free Shared ATM Use” system, allowing their customers to use each other's ATMs free of charge for many transactions.
Merchant & POS
These are codes placed into the terminal software by the acquirer that govern the rules for whether transactions go online or are declined, covering offline approval, offline decline, and online submission due to issuer risk...
Payment Institutions & E-Money
The Law defines e-money as monetary value issued in exchange for funds accepted by the issuer, stored electronically, used for payment transactions and accepted as a payment instrument by persons other than the issuer. This post explains e-money institutions and the services they may provide.