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Credit Card
Issuer Identification Number (IIN) is the first 6 digits of 16-digit cards and the first 8 digits of 19-digit cards. It is more commonly known as BIN (Bank Identification Number). Learn what the IIN table holds and how to look one up.
Credit Card
ISO/IEC 7816 is an international standard jointly maintained by ISO and IEC, covering contact-based electronic identification cards, especially smart cards. It consists of 15 different parts, each covering a different aspect of smart card technology.
Merchant & POS
All banks report the POS and merchant data they allocate to customers to BKM's MIV and MPV systems, which BKM then reports. These notifications include merchant and POS location details such as address, province, and district.
ATM
Suppose you are a newly established bank, wanting to offer customers all your products and services. Of course, this is not easy. First, the Bank's OnUs transaction processing step must run successfully before other banks' cards can be accepted at the ATMs.
EMV
RID is part of the AID value, which is structured according to ISO/IEC 7816-5 and consists of two sections: a value specific to the application provider, and an optional field used to identify different providers or products.
Chargeback
A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.
Security
Vishing is a method of deceiving the victim using voice. It replaces the "p" in phishing with the first letter of "voice," meaning "voice deception." It is reinforced by technology in social engineering cases to extract information more easily.
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.
ISO 8583
DE 48 - ADDITIONAL DATA: these are additional data fields that can be used specifically for transactions. It is 255 characters long. Field F48 carries many pieces of information and is divided into PDS (Private Data Subelements).
Merchant & POS
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.
Credit Card
If you can't use your card for e-commerce transactions abroad, first check that e-commerce authorization is enabled, that 3D Secure has been set up, and that your bank's authorization system is active. The issue may also originate from the merchant's bank.
Credit Card
You may have noticed that the same transaction amount earns different reward points when paid with a credit card. Have you ever wondered why? The points a card earns are managed within the card bank's authorization system.