Dev.to
7/14/2026

How MEV bots lose money: transaction failures, gas wars, and smart contract traps in crypto arbitrage
Original: Can MEV Bots Lose Money? The Hidden Risks of Crypto Arbitrage
Short summary
A detailed explanation of how MEV (Maximal Extractable Value) bots lose money in crypto arbitrage, covering failed transactions, priority fee bidding wars, poisoned smart contracts, and latency disadvantages. The article uses analogies and technical breakdowns to show why retail bot operators typically lose capital within 48 hours. It contrasts Ethereum mempool and Solana Jito risks and provides a three-point audit framework.
- •MEV bots lose money via failed transactions, gas fee bidding wars, and smart contract traps
- •Retail operators cannot compete with elite firms using custom hardware and private nodes
- •Covers Ethereum vs Solana risks and a three-point safety audit
Generated with AI, which can make mistakes.
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