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Developer hunting MEV sandwich bots finds wallets faking DEX volume instead

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A developer building a tool to detect sandwich bots on decentralized exchanges found almost no such attacks across 8,000 real swap transactions on Ethereum, BSC, and Solana. Instead, the investigation uncovered a single liquidity pool where two-thirds of trading volume was generated by just three wallets trading with themselves. Those artificial trades had inflated the pool's activity metrics, pushing it to the top ranking on the platform measuring that data. The open-source detection tool, built in Python using only the standard library, uses CoinMarketCap's keyless API to retrieve swap data and identify wallets appearing on both sides of trades within the same block. A key technical finding was that block and log-index fields arrive as strings in the API response, requiring explicit integer conversion to avoid silent ordering errors in the analysis.

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Developer hunting MEV sandwich bots finds wallets faking DEX volume instead · ShortSingh