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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.
HSM & Security
RSA, first used by Rivest, Shamir and Adleman, is a security algorithm used in digital cryptography. RSA differs from older symmetric algorithms because it enables digital signing and advanced encryption for e-commerce systems and high-profile institutions.
Agentic Commerce
Can AI Decide on Our Behalf? Letting an AI agent handle research can make life much easier. The real question is where that should stop, and how much decision-making authority we are ready to hand over.
Credit Card
The term 'wallet' has many definitions in payments and fintech. In general, it refers to digital wallets (e-wallets) used in e-commerce, popular because they let users securely store payment information and pay easily.
Credit Card
CVV (CVC) and CVV2 (CVC2) are two terms that cardholders often confuse. Both are used for verification in card transactions, but there are notable differences between them, such as where each is printed and which transactions use it.
Merchant & POS
Advances in payment systems make shopping safer and easier for customers. For e-commerce sites and brands, offering reliable, practical and fast payment options is a serious advantage. An online payment link is one innovative way to accept payments without a POS device.
HSM & Security
A Trusted Execution Environment (TEE) is an environment where executed code and accessed data are isolated and protected in terms of confidentiality (no one has access to the data) and integrity (no one can alter the code or its behavior). We may not realize it, but many…
Payment System Institutions
One of the most important transformations in banking over the last few years has undoubtedly been remote customer onboarding. Individuals can now become bank customers within minutes without visiting a branch. Digital identity checks and contracts largely solved a long-standing problem...
Merchant & POS
The checkout page is where an online purchase is completed, and cart abandonment is highest there. This post lists design tips: support all cards, limit transition pages, show security cues, allow guest checkout and remove distractions.
Online & Authorization
You press the pay button and the screen says the transaction failed. Behind that failure are checks on your balance and transaction security. This post explains how funds confirmation APIs work, where they apply, and the situation in Turkey's open banking.
Open Banking
First, it is useful to briefly recall the concepts of Banking as a Service and Open Banking. Banking as a Service (BaaS) lets interface developers connect directly to service banks' systems via APIs and open banking services to run banking transactions for customers...
Credit Card
Germany-based Deutsche Bank is launching a new credit card in Spain with a dynamic CVV code that changes every four hours, to make online shopping more secure. Deutsche Bank partnered with Mastercard and Idemia for the new card, launched under the Tarjeta Calma brand.