Crypto Trader Loses $215K in MEV Bot Sandwich Attack A crypto trader lost $215,000 in a sandwich attack during a $220,764 stablecoin swap on Uniswap v3. The attacker used MEV tactics to manipulate liquidity pools, profiting $8,000 while tipping a block builder $200,000. Experts suggest repeated attacks on related wallets may indicate a pattern or potential money laundering.2