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Illustration of AI agents connecting to payment infrastructure through Agentic Commerce Protocol

Payment Systems

What Is Agentic Commerce Protocol? How Does It Work?

Agentic Commerce Protocol (ACP) is a next-generation protocol that lets AI agents integrate directly into commercial processes such as payments, orders, refunds and subscriptions. This post explains how it works and what it offers businesses.

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.

Diagram illustrating card fraud and forgery in card payments

Security

What Is Forgery in Card Payments?

Forgery in card payments means transactions made with card details without the cardholder's knowledge, or purchases with counterfeit or stolen cards. Merchants cannot eliminate fraud and chargeback risk, but they should aim to reduce it to reasonable levels.

Diagram illustrating account-to-account (A2A) payment flow between banks

Online & Authorization

What are A2A (Account-to-Account) Payments?

Account-to-account (A2A) payments can be described as making a payment by transferring money from one bank account to another. Though similar to wire transfer/EFT, combining the transfer with the payment creates a seamless experience.

Diagram of BKM public collection solutions including transport and payment gateway services

Payment System Institutions

What Are BKM Public Collection Solutions?

BKM (Interbank Card Center) was founded in 1990 to clear and reconcile credit and debit card payments. This post covers its public collection solutions: contactless transport in Konya, SGK premium payments and e-Government gateway fees.

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Payment Systems

What Is ISO/TC 68?

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.

Comparison of CVV security code locations on a standard card and an American Express card

Credit Card

Is the CVV/CVC Code Always 3 Digits?

First, let's briefly explain CVV/CVC. CVV stands for Card Verification Value, a term used for Visa. CVC stands for Card Verification Code, a term used for MasterCard. The CVV/CVC code is used for cardholder verification and to reduce fraud risk.

Illustration representing an online mail order payment made with a debit card

Debit Card

Can Mail Order transactions be done with debit cards?

Debit cards and prepaid cards are generally closed to Mail Order transactions. The same usually applies to Non-3D (non-3D Secure) online transactions, which banks keep disabled by default to limit fraud risk.