Maximal extractable value (MEV) is profit captured by changing the order, inclusion, or exclusion of blockchain transactions. One example is a sandwich attack, where a bot trades before and after your swap, worsening your price and profiting from the movement. A tighter slippage tolerance can reduce this risk, but may also cause the transaction to fail if the price moves too far. MEV can affect the final price users receive. Learn how slippage works or explore trading with Solflare.