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Best Tools to Analyze EMV Cards Like a Pro
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When I started working on EMV projects, I thought reading data from a chip card was just about plugging it into a reader and magically the data will appear on my screen. I was wrong. The reality is that EMV…
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Top 25 EMV Tags You Should Know (and What They Mean)
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Back when I was integrating a POS system for a merchant in the Philippines, one of our biggest headaches was interpreting EMV data, especially when certification time came. At first, all these TLVs looked like encrypted gibberish. But over time,…
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Offline vs Online EMV Transactions: What’s the Difference?
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When I was working on an EMV terminal integration project for a merchant acquiring platform, one of the most confusing things for me at first was this: why do some EMV card transactions go through even if the terminal is…
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15 Must-Know EMV Terms
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If you’ve worked on EMV before, you already know—it can feel like learning a whole new language. When I was doing an EMV integration project for one of our merchant platforms, I kept bumping into strange acronyms and cryptic specs….
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Step-by-Step Breakdown of an EMV Transaction
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If you’ve ever worked on anything involving payment terminals, you know how frustrating it can be to troubleshoot EMV transactions when things go wrong. Back when I was integrating EMV support for one of our merchant platforms, I had to…
About Me

Hi I’m Assi—I’m dedicated to advancing cashless payment technology and sharing insights with fellow developers and solution architects on my blog, Cashless Nomad.
I embrace a mobile lifestyle by replacing cash with digital payments, enabling seamless transactions anywhere. Going cashless keeps me connected, agile, and financially flexible—perfect for traveling light and skipping currency hassles.
Checkout my other blogs at marai.dev