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Fintech

Jul 30, 20269 min read

What a Fraud-Detection Paper Gets Right (and Wrong) About Payment System Design

Fraud-detection papers regularly report near-perfect accuracy on public datasets. Almazroi and Ayub’s 2023 IEEE Access paper is a recent example: a ResNeXt-embedded GRU …

Jun 08, 20265 min read

Why Payments Need Grounded AI, Not Just LLMs

This is part 1 of a series on building grounded AI for payment systems. This post sets up the problem. Part 2 covers the retrieval pattern, and part 3 covers the practical use …

Mar 29, 20269 min read

POS Architecture Beyond Certification: Financial Infrastructure, Fraud Detection, and the Expanding Attack Surface

The POS terminal has quietly become critical financial infrastructure — and most architects are still designing it like a payment endpoint.