Uniswap Sandwich Attacks in Practice: How to Calculate Your Actual Slippage from MEV Extraction
A trader executes a $50,000 swap on Uniswap, sets 1% slippage tolerance, receives a confirmation that the transaction was successful, and assumes the quoted price is what they received. In practice, their actual loss often exceeds the displayed slippage by a significant margin. The difference lies in a mechanism called MEV—maximal extractable value—where validators, block …