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Machine Learning / ML system design
05.03 · Lesson

Case Study: Real-Time Fraud Detection

Scoring payments in milliseconds: extreme class imbalance, delayed labels, velocity features, rules plus models, thresholds tied to cost, and adversarial drift.

3 min Quiz Pro

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Scoring payments in milliseconds: extreme class imbalance, delayed labels, velocity features, rules plus models, thresholds tied to cost, and adversarial drift.

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Item 23 of 24 · updated 2026-10-12