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Merchant & POS
A reader asks whether a payment request taken at a customer's request should be sent as an e-commerce transaction, and what really separates Mail Order from E-commerce authorization.
Credit Card
Debit cards and prepaid cards are generally closed to mail order transactions. Mail order authorization is held on credit cards. Unless specifically requested at application, a card is issued closed to mail order transactions.
Merchant & POS
In EMV-based debit card transactions, PIN verification is decisive for both security and liability. What happens when a card that only supports online PIN is sent to the issuer without a PIN, and the issuer approves it? Who owns the risk?
Credit Card
A credit card is a loan granted by the bank, so it must follow certain criteria and stay within a limit. As card usage changes over time, the need for a higher limit can arise.
ISO 8583
F2 is the Card Number field in ISO 8583, identifying the cardholder and issuing bank. This post covers its structure, the 8-digit BIN update, field format, first-digit scheme identification, and PCI DSS security requirements.
Payment Systems
Card type information is used in card schemes such as MasterCard, Visa, and TROY. The card types and card type codes used in the Visa system include Credit, Prepaid, Debit, Deferred Debit, and Charge Card.
Credit Card
For a person over 18 with the capacity to discern, getting or using a credit card can only be prevented if they are placed under legal restriction by a court decision. A court-appointed guardian can then ask banks to cancel their cards.
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.
Payment Systems
When Does a Transit Card Become a Payment System? Millions of people in Istanbul use Istanbulkart every day. Passing through metro turnstiles, rushing to a bus or boarding a ferry at the last moment, our hand reaches almost by reflex for our card or our phone...
Contactless
A contactless transaction is a fast and secure payment made between a credit card and a POS terminal without direct contact, without reading the card's chip or magnetic stripe. Both the card and POS terminal must support contactless transactions.
Merchant & POS
UnionPay International (UPI) is a China UnionPay subsidiary founded in November 2012. Together with more than 1,000 institutions worldwide, UPI provides international card acceptance in 160 countries and card issuance in more than 40 countries and regions.
Debit Card
A contactless transaction is a fast, secure payment made between a chip card and a POS device without direct contact, without the card's chip or magnetic data being read through the card reader. Can this be done with a debit card (ATM card)?