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HSM & Security
TPK stands for Terminal PIN Key. It is a data encryption key used to encrypt PINs for transmission between a terminal and the terminal's bank (acquirer) within a local network. Learn how TPK is used in POS and ATM devices.
Credit Card
EMV chip cards contain a small, powerful microprocessor that provides enhanced security, faster transactions, and support for loyalty programs. VSDC is Visa's chip-based solution; M/Chip-Lite is Mastercard's low-cost equivalent for banks starting their chip migration.
Merchant & POS
Just like a car, a POS device has a brand and a model, for example Ingenico ICT220 or Ingenico ICT250. Each model differs from the others: some have a contactless reader while others may not, and screens, memory and features vary.
Payment Systems
No, they cannot use your entire card limit. In addition to special controls for contactless cards, contactless-enabled cards have limited payment amounts.
Payment Systems
An official BRSA letter to banks announced an update to the PIN-free contactless payment limit. From January 15, 2026, contactless payments of up to 2,500 TL can be made without entering a PIN, up from the current 1,500 TL.
Payment Systems
An amendment was made to the communiqué on the information systems of payment and e-money institutions and data sharing services, setting 31/3/2025 as the deadline for other payment service providers' obligations.
Laws & Regulations
The purpose of this regulation is to set the procedures and principles for overseeing payment and securities settlement systems, including information requests, information systems, self-assessment and independent audits.
Payment Institutions & E-Money
In general, electronic money is monetary value stored on a protected technological device. Turkish law defines it under Law No. 6493 as electronically stored value issued against funds and accepted by third parties as a means of payment.
Credit Card
Most of us remember the impact the first iPhone, introduced by Steve Jobs on January 9, 2007 and revolutionary for its time, had on our lives. In a similar way, a product that will completely change how we use and view credit cards...
Payment System Institutions
UnionPay Online Payments (UPOP) lets merchants in China, New Zealand, Australia and other countries extend their e-commerce stores to accept UnionPay payments. UnionPay supports over 5 billion cards in more than 140 countries.
Payment Institutions & E-Money
Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions defines a payment instrument as a personalized device such as a card, mobile phone, or password.
Contactless
As end users, we have come to love contactless payments, which are becoming a bigger part of daily life. So what features let contactless cards make payments without touching the POS terminal? There are two classes: MSD cards and Contactless EMV cards.