Gábor Gazsó

Special thanks to Edina Kovács, who helped me write this post. What is Partial Approval? Typically, a card payment begins with authorization, where the acquirer asks the issuer whether the cardholder has enough money to pay for the goods or services. The issuer answers with a 'Yes' or 'No'. …

[Read more...] about A Complete Overview of the Partial Approval

Issuers must validate their cards before the deployment to ensure that the card personalization is compliant with the card profile they reported to the card scheme and the card profile is compliant with the card scheme's regional requirements. Before the card personalization begins, the card …

[Read more...] about An easier way to certify Visa card compliance

The card payment works because we generally trust the system, we trust its elements, we believe that we don't risk high fraud in normal circumstances. But from time to time, we read about possible or actual fraud, which can weaken or collapse our beliefs. The fortunate situation is when researchers …

[Read more...] about Bypassing PIN for High-Value Payments

More than 20 years ago, I presented the advantages of the chip on a bank card compared to the magnetic stripe. Since then, EMV smart cards have become the preferred method in the card payment area. According to the articles, Mastercard will be the first to phase out magnetic stripe …

[Read more...] about R.I.P. magnetic stripe

Mastercard announced that ATMs in Bosnia and Hercegovina, Serbia and Macedonia must support contactless technology from 2022. This technology is already in place in these countries and several other ones. During the lockdown caused by COVID, many people went more and more digital by ordering …

[Read more...] about Contactless ATMs on the roadmap