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MEV Bots Can Drain Wallets Fast: The Real Risks Behind Crypto Arbitrage

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Maximal Extractable Value (MEV) bots are automated programs that scan blockchain transaction queues to exploit price differences on decentralized exchanges, but they carry significant financial risks often overlooked by newcomers. When a bot pays high priority fees to jump the transaction queue, it loses that fee even if a faster competitor executes the trade milliseconds earlier. Developers also face threats from deliberately poisoned smart contracts, known as Salmonella attacks, designed to trap and drain bots that interact with them. Competing successfully in MEV requires custom hardware, private network infrastructure, and advanced algorithms — tools typically available only to elite trading firms. Without these resources, amateur operators frequently lose their entire invested capital within days of launching a bot.

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MEV Bots Can Drain Wallets Fast: The Real Risks Behind Crypto Arbitrage · ShortSingh