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MEV in 2026: Who Is Extracting Value from Ethereum Transactions and How
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@blockonomist
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2026-05-16 04:00:32
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Maximal Extractable Value (MEV) refers to profit that block producers can capture by controlling the ordering, inclusion, or exclusion of transactions in a block. On Ethereum post-merge, MEV flows primarily through MEV-Boost — a middleware that separates block building from block proposing. Specialized builders construct blocks, validators choose the highest-bidding block. In 2025, MEV-Boost was used in approximately 90% of Ethereum blocks. The MEV supply chain has become: searchers (who find opportunities) → builders (who assemble blocks) → validators (who propose blocks) → relays (who connect builders to validators). The total MEV extracted on Ethereum is estimated at $500M-$1B annually, with sandwich attacks and arbitrage as the dominant strategies.
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