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Merchant & POS
E-Commerce can briefly be described as the sale and purchase of products over the internet, a term used since 1969. Virtual POS operates behind e-commerce transactions, which take place at different levels: Non 3D, Half 3D, and Full 3D Secure.
Merchant & POS
These are codes placed into the terminal software by the acquirer that govern the rules for whether transactions go online or are declined, covering offline approval, offline decline, and online submission due to issuer risk...
Payment Institutions & E-Money
The Law defines e-money as monetary value issued in exchange for funds accepted by the issuer, stored electronically, used for payment transactions and accepted as a payment instrument by persons other than the issuer. This post explains e-money institutions and the services they may provide.
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.
Security
Before 3D Secure 2.0, let's explain what 3D Secure is. 3D Secure is a two-layer payment authentication system that protects both the cardholder and the merchant in online payments. First released by Visa in 1999, it was later adopted by other card schemes…
Online & Authorization
TLV is a data storage method used to speed up the parsing of data. For example, reading data from a card's chip at a POS and carrying it through authorization uses the TLV structure.
Security
Payment security is very important in payment systems. To increase security, transactions require additional information such as PINs and passwords. Remembering which information to use, and keeping it in mind without forgetting…
Merchant & POS
This can occur at companies selling products from different sectors. For example, you enter a shopping mall and buy a refrigerator for 3000 TL, a dishwasher for 2000 TL, and an iron for 1000 TL, each under a different installment campaign.