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122 articles found

Diagram illustrating BKM TechPOS shared POS infrastructure

Merchant & POS

What is BKM TechPOS?

BKM TechPOS is an infrastructure through which card acquirers and POS/cash register manufacturers can interoperate via BKM, letting all participating banks provide card acceptance services on a single device.

Illustration of an ATM with a voice menu for visually impaired customers

ATM

What Must Banks Do for Visually Impaired Customers?

Banks must provide the infrastructure for ATM access by visually impaired customers. Among ATMs side by side or less than 50 meters apart, only one needs to comply; all other ATMs must serve visually impaired customers. Details of Article 7 are below.

Screenshot of a mobile phone showing a digital payment screen, illustrating digitalization and payment systems

Merchant & POS

A look at April 23 through the lens of digitalization and payment systems

Today is April 23, the 100th anniversary of the opening of the Grand National Assembly. Taking Children's Day as a starting point, this post looks at digitalization, Generation Z, blockchain, biometric payments and the cashless society from a payment systems perspective.

Illustration of POS terminal certification testing for Visa and MasterCard payment schemes

Merchant & POS

What are Visa ADVT & VpTT and MasterCard M-TIP?

In order for a bank's POS devices to process transactions with payment scheme cards (Visa, MasterCard, Troy, etc.), they must pass certain test and control steps. Visa and MasterCard have test tools that include test cards and test scenarios for this purpose…

Table of CAVV result codes and what they mean for merchants

Merchant & POS

What is CAVV? What is AAV?

CAVV and AAV are verification codes used in 3D Secure transactions to ensure transaction integrity and security. CAVV is used by Visa, while AAV is used by Mastercard.

Diagram illustrating the EMV Tag-Length-Value (TLV) data structure used in card transactions

Online & Authorization

What are EMV Tags?

In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.

Illustration of a new-generation smart cash register combining a fiscal device and a POS terminal

Merchant & POS

What You Need to Know About Smart Cash Registers (OKC)

A smart cash register is a new-generation, IP-based payment recording device that integrates a cash register with a POS terminal. It combines fiscal devices and POS devices in a single unit and transmits data to the Ministry of Finance in real time.

ISO 8583 F124 field structure and subfield breakdown

ISO 8583

ISO 8583 Field Descriptions (F124)

F124 (Private Additional Data) contains additional information specific to the transaction, such as Card Update Failure Code and Status, cardholder name in money transfers, and keys in network management messages.