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June 18, 2026

How I Built a Cryptocurrency Fraud Tracking App

How I Built a Cryptocurrency Fraud Tracking App

During the Smart India Hackathon, our team was tasked with tracking illicit transactions on the blockchain. In this article, I explain how we used Node.js, Graph databases, and machine learning clustering algorithms to identify clusters and transaction paths...

Why Blockchain Tracking is Hard

Unlike standard banking databases, blockchains are public but anonymous. We set up graph nodes using address paths and implemented Dijkstra algorithms to detect path splits.