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Blockchain Key Overlap Detection Tool
CrossChain Analyzer is a tool we built based on the research paper "Cross-Chain Public Key Analysis" by Daugherty et al. (arXiv:2601.19500, 2025). The paper identified 497,178 BTC-ETH shared public keys across 2.1 billion total keys, revealing significant implications for cross-chain security and wallet isolation assumptions. Our implementation provides a Redis-backed distributed analysis pipeline that processes blockchain data at scale to detect cryptographic key reuse patterns. The tool applies the paper's methodology to provide actionable intelligence for blockchain security analysis.