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EMV
EMV standards form the foundation for chip cards to work on terminals worldwide, but each scheme - VSDC (Visa), M/Chip (Mastercard), AEIPS (Amex), J Smart (JCB), D-PAS (Discover), and UICS (UnionPay) - defines its own keys, rules, and card profiles.
ISO 8583
F25 - POINT OF SERVICE (POS) CONDITION CODE is the field that defines the condition under which a POS transaction was performed. Possible values include 00 Normal presentment, 01 Customer not present, 02 Unattended terminal, and more.
Merchant & POS
A POS is a functional device with its own dedicated software, customized according to the authorization system of the bank it is connected to, that accepts credit or debit cards. So, banks abroad launch dozens of new card products every day…
HCE
When we talk about HCE methodology, many interacting architectural components come to mind. The core terms describing this architecture are listed below, starting with GCM/FCM (Google/Firebase Cloud Messaging), a service for sending push notifications.
Merchant & POS
With advances in technology, mobile phones can now be used for many functions besides calls and internet access. One such innovation is the ability to use smartphones or tablets as POS devices.
ATM
ATM stands for Automated Teller Machine, an electronic device that lets customers carry out account transactions with or without a card. It was invented in 1960 by John Shepherd-Barron. The first ATM in Turkey was installed in 1982.
Merchant & POS
Virtual POS is the software-based, security-enhanced equivalent of the physical POS devices used for card payments at merchants, designed for online shopping. It is not issued to individual customers, only to sole proprietorships, companies, or foundations and associations.
Merchant & POS
Contains the EMV steps performed by the Terminal in a transaction. The TSI fields, their possible values, and descriptions of the values are shown below.
Debit Card
A type of smart card containing a microchip and simple software, which performs contactless reading when brought close to a smart card reader. It isn't linked to a bank account and has no credit limit like credit cards. You can spend up to the amount loaded onto the card...
ISO 8583
F41 - CARD ACCEPTOR TERMINAL IDENTIFICATION: the terminal where a transaction took place. An 8-character alphanumeric value generated by the acquirer bank and assigned to the POS, managed as a unique terminal number at the acquirer.
Merchant & POS
If your POS can't start a new transaction, it's likely stuck trying to send a reversal for an earlier transaction. Here are two fixes: one recommended, one risky.
Merchant & POS
To accept a card brand such as Mastercard or Visa, a POS must be certified for that brand. Which brands a POS accepts is the bank's decision.