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345 articles found
ATM
Did you know that when a transaction is attempted with another bank's card at an ATM, the PIN check happens not when the card is inserted, but when the transaction is sent for authorization? (Deposits are the exception.)
Merchant & POS
On-Us Leakage is a term used in the world of payment systems. On-us means the card-issuing bank and the POS-acquiring bank are the same. So what does on-us leakage mean in this context?
HSM & Security
PEK is the abbreviation for Pin Encryption Key. The role of PEK is to encrypt PINs. There are two types of PEK: TPK (Terminal Pin Key) and ZWK (Zone Working Key).
Credit Card
The PIN Try Counter is a value stored on the card's chip showing the number of remaining offline PIN attempts. Each incorrect offline PIN entry decreases it by 1, and it resets when the correct PIN is entered.
Clearing
The Domestic Clearing and Settlement System (YTH) settles and clears transactions between two banks when a card from one bank is used at another bank's POS or ATM. Participants submit records that are cleared daily and multilaterally netted and reconciled.
Merchant & POS
Loading parameters onto a POS transfers BIN lists, key data, and refund/cancellation authorizations from the management system onto the terminal. Learn how and when it happens.
Payment Systems
After switching to response code 70 for contactless limit-exceeded cases, we found that some overseas POS devices and acquirers did not handle it as expected. This post covers why the problem lies in the ecosystem and how to address it.
Security
In online shopping, converting product browsing into a completed sale after a customer visits your site is just as critical. The amount of purchases abandoned due to friction in the online buying process often exceeds successful sales.
Payment Systems
Digitalization keeps changing the speed and shape of payments. AI-based payment agents pay on their own within user-defined limits and rules, completing transactions without the user initiating any action. This post explains how they work and what to watch for.
Credit Card
Digitalization is reshaping payment systems. Credit cards are moving from physical plastic to virtual cards, e-wallets and mobile payments. Will physical card use disappear completely? Here is a look at the trends, Generation Z and the remaining gaps.
Merchant & POS
In EMV transactions, Application Selection is the process of choosing among the applications supported by both the card and the terminal. It is the first stage of authorization, so it is very important. This post covers the PSE and List of AIDs methods.
Agentic Commerce
Are We Ready to Give an AI Agent the Authority to Make Payments? Having long looked at complaint and dispute processes in payment systems, I think granting an agent payment authority is far different from research or product selection.