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Laws & Regulations
The Visa Core Rules and Visa Product and Service Rules documents define the fundamental rules that apply to all institutions in the Visa network. They are updated regularly, and all members are expected to follow the latest version.
Payment Systems
There are standards that keep payment systems running smoothly and reliably. One of these is ISO 20022. So what is ISO 20022, and why was it created? It is an international, XML-based financial messaging standard developed in 2009.
Payment Systems
One of the most notable recent developments in card payments is that contactless limits are no longer fixed and can be managed dynamically per customer. Mastercard and Visa are taking different but complementary approaches, and ISO 8583 may need to evolve with them.
Agentic Commerce
Points or habit? Loyalty programs are built on steering human behavior. But if an AI agent starts shopping on our behalf, do points and campaigns still work the same way?
HCE
NFC, known as Near Field Communication, is a technology that transfers data wirelessly between devices within 10 cm. It is used for data transfer, device pairing, and as the basis of contactless payments.
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.
Credit Card
While the use of physical cards and POS terminals is gradually declining, positive developments continue, such as the world's first wooden card, TreeCard, backed by the search engine Ecosia and aimed at reforesting the world.
ATM
The first device that can truly be called an ATM was produced by De La Rue for Barclays Bank and put into service in Enfield, London, on 27 June 1967. The ATM came to Türkiye in 1982.
Credit Card
With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).
Merchant & POS
A virtual POS is a payment platform that enables online payments by credit or debit card. Banks also give merchants interfaces for mail order, pre-authorization, cancellations and refunds.
Security
With Chip&Pin technology, card PINs and chip-based transactions became widespread. As online shopping grew, strengthening the security of these transactions became a necessity, and OTP began providing that transaction security.
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.