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Can a Private Mempool Be Used for Arbitrage That Is Not Front-Running?

Yes, a private mempool is commonly used for legitimate arbitrage that is not considered front-running. Arbitrage involves profiting from price discrepancies across different exchanges or pools.

By using a private mempool, an arbitrage bot can submit its trade with a guarantee of execution, preventing other arbitrage bots from seeing the opportunity and racing to execute the trade first. This is considered "good" MEV as it corrects price inefficiencies without harming a retail trader.

How Do ‘Private Transaction Relays’ Attempt to Mitigate Front-Running from the Mempool?
How Does a ‘Private Transaction Relay’ Prevent a Searcher’s Strategy from Being Copied?
How Does a Private Mempool Service Earn Revenue?
What Is the Role of a ‘Searcher’ in the MEV Ecosystem?