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Credit Card
PVK (Pin Verification Key) is a key held on the HSM, used in PIN generation and verification, and therefore to confirm that a PIN is correct. On a shared network it is encrypted under TMK or ZMK; on a local network it is encrypted under one of the LMK pairs.
Credit Card
Banks welcome limit increase requests from customers with regular payments and a steady income, and they analyze each request in detail. Here are the channels you can use to submit one.
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.
Payment Institutions & E-Money
A payment institution is a legal entity authorized under the Law to provide and execute payment services. It must be a joint stock company meeting the conditions in Article 14 of Law No. 6493. This post sets out the services listed in Article 12 and the exclusions.
Security
An external network scan run every 3 months by an Approved Scanning Vendor authorized by card schemes such as MasterCard and Visa, required for PCI DSS compliance. It checks whether merchant systems are protected against external threats.
Payment Systems
A non-secure transaction is an e-commerce transaction approved without any verification before authorization, such as SMS OTP. In short, authorization is obtained by verifying only the card number, expiration date, and CVV2.
Chargeback
A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.
Payment Institutions & E-Money
Online shopping keeps growing, and e-commerce sites must choose between working with a bank or a payment institution. This article explains why a single application and integration with a payment institution can be the better route.
ISO 8583
F42 - CARD ACCEPTOR IDENTIFICATION CODE: the merchant number of the terminal where a transaction took place. It is a 15-character alphanumeric value. Transactions are settled to the merchant's account based on the merchant number in this field.
Credit Card
The effect of credit cards on inflation has been debated for years. Because I am asked about it so often, I ran a poll on arifunal.com to gather readers' views. This post weighs the positive and negative effects and compares the poll with the research findings.
Merchant & POS
The Regulation on the Non-Use of Crypto Assets in Payments, published in the Official Gazette on 16 April and effective from 30 April, looks set to seriously affect cryptocurrency developments in Turkey. Here are its key points and the full text.
Chargeback
A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.