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Author

Arif Ünal

Payment systems expert and technology executive

Arif Ünal is a technology executive with more than 20 years of experience in banking, fintech and payment systems. He writes about card payments (issuing and acquiring), POS, ATM, e-money, FAST and Turkish payments regulation (BRSA and CBRT). He has held senior roles at Finagotech and managed payment systems and digital banking teams at Emlak Katılım, Vakıf Katılım and Türkiye Finans. He holds a B.Sc. in Industrial Engineering from Istanbul University and an M.Sc. in Management Information Systems from Marmara University.

976 articles

Cancelling an Easy Address in a mobile banking app illustration

FAST

Where Can I Cancel a Defined Easy Address?

An Easy Address is defined through the channels of the bank holding the account. Likewise, an Easy Address can be cancelled and deleted through the channels of the bank where the account is held.

Diagram illustrating the Easy Addressing System (KOLAS) within Turkey's FAST payment network

FAST

What is the Easy Addressing System (KOLAS)?

The Easy Addressing System (KOLAS) is one of the layered services of FAST, the Central Bank's instant funds transfer system, developed and operated by BKM. It lets users send money via phone number or email instead of an IBAN.

Diagram explaining the Easy Address service used with the FAST instant payment system

FAST

What Is Easy Address (Kolay Adres)?

The Instant and Continuous Transfer of Funds (FAST) System lets customers send payment instructions 24/7 through bank systems, independent of EFT. This article explains what Easy Address is, how to register one and how transfers work.

Illustration of recurring payments and automatic card collection for subscription businesses

Merchant & POS

Key Points to Watch for in Recurring Payments

Winning customers is one of the most important things in business, but keeping them satisfied matters just as much. If you collect payments at regular intervals, such as monthly, these tips will help you improve the success rate of recurring collections.

Amazon Web Services cloud computing illustration

Security

Why Is AWS (Amazon Web Services) Preferred?

The number of companies offering cloud computing and storage has grown sharply in recent years. AWS, founded in 2006, is the world's largest cloud computing and storage provider, ahead of Google Cloud, Microsoft Azure and IBM.

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