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Illustration of a closed-loop payment ecosystem growing through loyalty, data, and new services

Closed-Loop Payments

Why Do Closed-Loop Payment Systems Want to Grow? | Series #6

Why does a coffee chain build its own loyalty program, and why does a payment app keep adding services? This post looks at how loyalty, data, and new services drive the growth of closed-loop payment systems, and at the financial layers behind that growth.

Diagram of the Secure Mobile Payment and Electronic Document Management System under VUK 507

Payment Institutions & E-Money

What Is the VUK 507 Communique?

VUK 507 is the common name of Tax Procedure Law General Communique Serial No. 507, published in the Official Gazette on 1/6/2019 on the Secure Mobile Payment and Electronic Document Management System. It sets the rules for sales, collection and electronic document applications.

Bitcoin coin symbol illustrating the first cryptocurrency

Cryptocurrency

What Is Bitcoin?

Bitcoin is a digital currency launched experimentally in 2009 by Satoshi Nakamoto. It has no ties to any central bank, can be bought and sold with national currencies and can be transferred without any intermediary.

Mobile phone used to accept payments through the Secure Mobile Payment System

Merchant & POS

What Is Secure Mobile Payment?

The Secure Mobile Payment System is a system permitted by the Ministry, operated under the Revenue Administration (GIB) Communiqué, for sales, payment and collection transactions and the electronic creation, transmission and retention of the related financial documents.

Illustration symbolizing the shift from search engines to AI-driven decision engines in online shopping

Payment Systems

Agentic Commerce Series - Part 2

If users start describing their needs instead of searching for products, one of the internet economy's most fundamental habits could change.

Illustration for a glossary of cryptocurrency terms such as Bitcoin, blockchain and mining

Cryptocurrency

What Are the Terms Used in the Cryptocurrency World?

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.

PIN pad device connected to a POS terminal

Merchant & POS

What Is a PIN Pad Device?

A PIN pad lets cardholders safely enter their PIN during POS transactions and lets contactless cards be tapped to transfer card data to the POS. Here is how it works.

Diagram of a first credential-on-file transaction using stored card data

Security

What is the First Credential-On-File transaction?

The first transaction made after a customer's card data is stored with a merchant is called the First Credential-On-File transaction. BKM expects it to be flagged with the value "C" in switch message field DE48.PDS86, and BRSA draft rules govern how card data may be stored.