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Risk

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 06, 202613 min read

AI in POS and Payments: From Transaction Processing to Transaction Intelligence

This post looks at where machine learning actually fits in a payment system: not inside the authorization path that EMV, tokenization, and the networks already own, but in the risk …