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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
Payments made over the internet are called digital payments. Card payments, cryptocurrency, and online banking transfers all fall within the scope of digital payment, along with mobile wallets and QR code payments.
FAST
Request to Pay lets users request payment from people who owe them money through a banking application. The CBRT has expanded the FAST Request to Pay Overlay Service so that corporate users can also use it.
Credit Card
In the world of payment systems, just as credit cards are an indispensable product, a payment scheme is indispensable for credit cards. When a credit card product is launched, the scheme it will be issued under is decided first.
Credit Card
The BRSA has decided to raise the contactless card transaction limit to 500 TL, effective 1 February. This post explains the change, how PIN entry works above the limit, and how the limit has evolved since 2019.
Security
Fraud means obtaining unjust gain by carrying out a transaction at a merchant or ATM using someone else's credit card or debit card, causing a loss to the real cardholder, the merchant, or the bank. So what fraud codes do Visa and Mastercard use?
Payment Systems
Current information: this post describes the limit at the time of publication. The BRSA raised the contactless card transaction limit to 750 TL, effective 1 July. Above the limit, contactless payments need a PIN. The post also traces the limit's history.
Merchant & POS
Magnetic Secure Transmission (MST) is a mobile payment technology in which devices such as smartphones emit a signal that mimics the magnetic stripe on a traditional payment card, letting a physical card's POS use be imitated without upgrading terminal software or hardware.
Payment System Institutions
BKM (Interbank Card Center) was founded in 1990 to clear and reconcile credit and debit card payments. This post covers its public collection solutions: contactless transport in Konya, SGK premium payments and e-Government gateway fees.
Credit Card
Although card usage today is shifting from physical use toward virtual use, physical card production, personalization, and printing remain vital steps in card manufacturing. Here are the companies that produce and personalize cards in Turkey.
Credit Card
Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.
HSM & Security
HSM, short for Hardware Security Module, is specialized security hardware built to store sensitive cryptographic keys in a physical environment and to perform cryptographic operations in the most secure way.