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Illustration representing a fictitious POS transaction

Fraud

What Is a Fictitious Transaction?

According to the Banks Association of Turkey, a fictitious transaction is a collusive transaction made by misusing POS devices, debit cards, or credit cards. Banks that detect such transactions through merchants report them to the Banks Association of Turkey.

ISO 8583 field table showing the F38 authorization identification response field

ISO 8583

ISO 8583 Field Descriptions (F38)

DE 38 (AUTHORIZATION IDENTIFICATION RESPONSE) is the authorization code generated when a transaction is approved. It is alphanumeric, 6 characters long, and left empty for declined transactions.

Diagram showing the BKM TechPOS merchant and POS management infrastructure

Merchant & POS

Is BKM TechPOS Advantageous?

BKM TechPOS is a merchant and POS management infrastructure provided by BKM. Banks need to allocate physical/virtual/ECR POS terminals to merchants in order to establish a merchant relationship with their corporate or sole-proprietor customers.

Business owner reviewing the documents required for a POS merchant application

Merchant & POS

Can I get a POS device as an individual customer?

For a POS device to be issued to a customer, the customer must have a legal entity status, such as a sole proprietorship, commercial company, or foundation/association. POS devices cannot legally be issued to individual customers.

Diagram illustrating clearing and settlement in payment systems

Clearing

What Are Clearing and Settlement?

Clearing: the transmission of transfer orders sent to the system, mediating their mutual delivery, obtaining authorization prior to settlement in some systems, and netting payment orders.

Diagram illustrating the structure of ISO 8583 Field 53, PIN Encryption Control Information

Online & Authorization

ISO 8583 Field Descriptions (F53)

F53 - PIN Encryption Control Information. When online PIN data is present, sending the F53 value is mandatory, except when DUKPT information is carried in Field 63, Tag 01. F53 consists of the following components.

Shared POS device used for processing multiple banks' card transactions

Credit Card

What is a Shared POS?

A Shared POS is a POS solution that allows the credit card applications of multiple banks, such as installments and loyalty points, to run on a single POS device. It automatically recognizes the cards of banks loaded on it and routes the transaction accordingly.