14:58
2026-06-06
dev.to
machine-learning
I Built a Fraud Detection System That Catches 99.76% of Fraud β Here's Everything I Learned
A developer built TrustGuard AI, a fraud detection system that catches 99.76% of fraudulent transactions on the PaySim dataset, achieving an AUC-ROC of 0.9995 and Recall of 0.9976 on a 6.3 million rowβ¦