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3D Secure opt-out online payment illustration

Merchant & POS

What Is Opt Out?

In online transactions, Opt Out is the cardholder exercising the right not to enroll in 3D Secure. It is not unlimited: only as many transactions as the issuer allows can be made without 3D Secure.

Illustration of equity-based crowdfunding, where many investors fund a project through an online platform in exchange for shares

Laws & Regulations

What is the Equity-Based Crowdfunding Regulation?

The Equity-Based Crowdfunding Communiqué entered into force with its publication in the Official Gazette on 03.10.2019 and explains how money is raised from the public through crowdfunding platforms in exchange for shares. What are crowdfunding and equity-based crowdfunding?

Diagram illustrating open banking, where customer financial data is shared with fintech companies through APIs

Payment Institutions & E-Money

What Is Open Banking?

Open banking means sharing customers' financial information with a third-party fintech company so that a range of banking and financial services can be offered to them. It works through API integrations. This post covers its status in Turkey and the new BRSA regulation.

Illustration explaining the concept of the first online transaction after a card PIN change

Merchant & POS

What Does First Online Transaction Mean?

In payment systems, an online transaction means the transaction is sent to the card or POS/ATM bank at the moment it occurs, and required checks are obtained from that system. So does every transaction happen online? Of course not. Especially with contactless...

Google Card, the physical payment card Google is reportedly preparing to rival Apple Card

Credit Card

Meet the Google Card!

After Apple Card, announced last March to great fanfare, Huawei said it would issue a card too. Google has now joined the race among tech companies by announcing a new card of its own.

Pay by link payment on a mobile phone

Online & Authorization

What Is Pay by Link?

Pay by link is an innovative financial solution that completes a payment through a link sent over the internet, making it possible to shop and transfer money through channels like WhatsApp and Instagram.

Deutsche Bank Tarjeta Calma credit card featuring dynamic CVV technology

Credit Card

Deutsche Bank produces a card with a CVV that changes every 4 hours

Germany-based Deutsche Bank is launching a new credit card in Spain with a dynamic CVV code that changes every four hours, to make online shopping more secure. Deutsche Bank partnered with Mastercard and Idemia for the new card, launched under the Tarjeta Calma brand.

Diagram illustrating that credit cards and debit cards require separate BIN ranges

Credit Card

Can a Single BIN Issue Both Credit and Debit Cards?

A single BIN cannot be used to issue both a credit card and a debit card. If a bank offers both products, it has at least two different BINs, allocated and announced separately by card type.

Illustration of the internal cash tower unit inside an ATM

Payment Systems

What is a tower?

In payment systems, the tower is the section inside an ATM where cash is physically stored. It contains cassettes holding different banknote denominations, a mix cassette for mismatched notes, and various security mechanisms protecting the cash.