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HSM & Security
TPK stands for Terminal PIN Key. It is a data encryption key used to encrypt PINs for transmission between a terminal and the terminal's bank (acquirer) within a local network. Learn how TPK is used in POS and ATM devices.
Closed-Loop Payments
Is Alipay a payment system, or a digital economy? In the previous post we discussed how Starbucks shows that payment systems can evolve into a different structure. At first the goal was to make payment easier for the customer. As the system grew, loyalty programs...
Payment Systems
If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.
Credit Card
The Payment Card Industry Data Security Standard (PCI DSS) is a technical and operational standard created by the PCI Committee, formed by internationally recognized payment brands, to ensure data security in card payment systems.
Payment Systems
ISO/TC 68 is a technical committee within the International Organization for Standardization in Geneva, responsible for developing and maintaining international standards for banking, securities and other financial services.
Payment Systems
How do banks fund so many points, bonuses, and discounts? This post explains the credit card profitability model: merchant commissions, interchange, interest income, installments, and why campaigns are an investment in transaction volume rather than a cost.
Merchant & POS
MPV stands for Merkezi POS Veritabanı (Central POS Database), BKM's shared database of all POS terminals operated by its card-accepting members, used for support, statistics, fraud analysis and the Common POS Management System.
Merchant & POS
The Upper Consecutive Offline Limit is the maximum number of consecutive offline transactions allowed by the issuer's chip card application on a terminal that cannot go online. It is held in tag 9F23.
Merchant & POS
On-Us Leakage is a term used in the world of payment systems. On-us means the card-issuing bank and the POS-acquiring bank are the same. So what does on-us leakage mean in this context?
Open Banking
Under the communiqué, service model banking does not require a separate BRSA license, but the service bank must notify the BRSA in writing before signing a contract with an interface developer.
HCE
We can list the differences between the NFC Secure Element and HCE payment methods as follows: Secure Element requires a mobile operator and stores card data on a hardware chip, while HCE needs no operator and relies on cloud-based tokenization.
EMV
The Application Block command is sent to invalidate the selected application on a card after the card has been issued. Unlike Card Block, it can be reversed.