Private transaction relays

Services that let you submit a transaction directly to a validator or builder, bypassing the public mempool entirely, mean front-runners never see your trade coming in the first place. This is one of the most effective defenses available today, since it removes the visibility that front-running and sandwiching both depend on.

Many wallets and DEX aggregators now offer this as a built-in option, often labeled something like 'MEV protection,' worth checking for and enabling when you're making a significant trade.