// writing
Posts tagged #fraud
A mix of technical deep-dives, career reflections, and dispatches from the road.
tag: #fraud
financeOct 21, 2026· 4 min
Network Tokenization: Why the Card Number in Your Wallet Isn't Your Card Number
Network tokens swap your 16-digit card number for a merchant- or device-bound stand-in plus a one-time cryptogram. Here's how the vault, the token, and the cryptogram fit together, and why issuers approve more of them.
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financeAug 12, 2026· 4 min
Payment Fraud Detection and the False Decline Problem
Card fraud systems score every transaction in well under a second, but the legitimate orders they wrongly reject cost merchants far more than the fraud they…
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financeAug 8, 2026· 4 min
KYC in the Deepfake Era: Why a Selfie Stopped Being Proof
The document-plus-selfie onboarding flow every fintech copied is quietly failing. Here is how identity verification actually works, why injection attacks…
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