Chapter 9

MEV Protection for Users

Retail users can reduce MEV extraction without running bots. Protection tools hide transactions from the public mempool or use batch auctions for fair execution.

Different tools address different risks — private submission stops mempool preview; intent protocols shift MEV risk to solvers.

Protection options at a glance

Approach	How it helps	Tradeoff
Private RPC	Skips public mempool exposure	Chain and wallet support varies
Intent-based trading	Solvers compete; users sign outcomes not paths	Less control over exact execution route
Tight slippage limits	Reduces sandwich profit margin	Transactions may fail in fast markets
Split or TWAP orders	Smaller predictable impact per tx	More txs, more gas, slower fill

No single setting eliminates extraction. Combine tight slippage, protected routes, and sensible trade sizing during volatile periods.

Flashbots Protect, MEV Blocker, and wallet integrations in MetaMask and Rabby offer optional private submission. CoW Swap, UniswapX, and 1inch Fusion let solvers compete to fill at the best price while bearing MEV risk.

Default 0.5–1% slippage on large trades invites sandwiches. Failed txs from tight slippage beat successful sandwiched txs — and high volatility periods attract the most searchers.