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Provide a Simple Example of a Miner Extractable Value (MEV) Opportunity

A sandwich attack: a miner front-runs a large DeFi swap with a buy and back-runs with a sell, profiting from the price movement.
Greeks.Live18.11.25

Provide a Simple Example of a Miner Extractable Value (MEV) Opportunity.

A simple MEV example is a "sandwich attack" in decentralized finance (DeFi). A miner/validator sees a large pending swap transaction in the Mempool.

They execute a small buy order just before (front-running) and a sell order just after (back-running) the large transaction. The large transaction moves the price, and the miner profits from the price difference.

What Are “Sandwich Attacks” and How Do They Relate to DEX Front-Running?
How Does Maximal Extractable Value (MEV) Relate to the Concept of Front-Running in DeFi?
What Is a “Sandwich Attack” and How Does It Relate to MEV?
How Does the Concept of Miner Extractable Value (MEV) Relate to Front-Running in Decentralized Finance (DeFi)?

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