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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.
Payment Systems
Open banking means sharing financial data with third parties securely, and Payment Services Data Sharing Services (OHVPS) are the two core payment services under it. This post explains both and where to find the participant list on the BKM website.
EMV
BIC stands for Bank Identifier Code. It is the universal bank identification code used for automated processing in banking and related financial environments, identifying banks as specified by the ISO 9362 standard.
Merchant & POS
Unattended POS is a type of POS that is not managed by merchant staff and is triggered by the customer in self-service services. Its use has increased further with the rise of mobile payments.
HSM & Security
Below are the properties and descriptions of the DES and AES keys used for encryption: DES (Data Encryption Standard) and AES (Advanced Encryption Standard) are both symmetric block ciphers. DES is a symmetric block cipher with a 56-bit key length...
Merchant & POS
Introduction: When a card (credit card/debit card/prepaid card) is used at an ATM or POS, data must be carried securely between systems. For example, in a store sale, the POS initiates the transaction, which must reach the cardholder's bank intact.
Credit Card
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.
Credit Card
ISO/IEC 7816 is an international standard jointly maintained by ISO and IEC, covering contact-based electronic identification cards, especially smart cards. It consists of 15 different parts, each covering a different aspect of smart card technology.
Payment Systems
Contactless payment has greatly improved the user experience, yet its fixed transaction limit is a common complaint. Can this limit be managed dynamically per customer? This post covers the current situation, technical and regulatory requirements and the outlook.
Laws & Regulations
The Regulation on Generating and Using TR QR Code in Payment Services and its attached TR QR Code Principles and Rules document were published in the Official Gazette No. 31220 dated August 21, 2020, to ensure interoperability in QR code payments.
Laws & Regulations
The Regulation amending the Regulation on Program of Compliance with Obligations of Anti-Money Laundering and Combating the Financing of Terrorism has been published. It introduces financial group compliance rules, a deputy compliance officer and wider scope.
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.