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Payment System Institutions
BKM (Interbank Card Center) works through several committees: Security, Operations and Technology, Market Development, Business Development, Chargeback Rules and Arbitration, ATM Sharing, plus arbitration committees. This post outlines each one's duties.
ISO 8583
DE 48 - ADDITIONAL DATA: these are additional data fields that can be used specifically for transactions. It is 255 characters long. Field F48 carries many pieces of information and is divided into PDS (Private Data Subelements).
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.
Payment Institutions & E-Money
On 7 October 2023, the CBRT amended the Communiqué on Information Systems of Payment and E-Money Institutions and Data Sharing Services of Payment Service Providers, first published on 1 December 2021. Links to the new text, a comparison table and a detailed summary of changes follow.
HSM & Security
ZPK, also known as the PIN Protection Key, is a data encryption key that is distributed automatically and used to encrypt PINs. It is also referred to as the 'Working Key'. This key allows PIN information to be carried securely across the network.
Security
When you visit a website, the protocol it supports appears at the left of the web address. Secure data transfers likewise use protocols that support http or https. Let's first take a brief look at what HTTP and HTTPS are.
Payment Institutions & E-Money
Open banking means sharing customers' financial information with a third-party fintech company so that a range of banking and financial services can be offered to them. It works through API integrations. This post covers its status in Turkey and the new BRSA regulation.