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How Does a Proof-of-Stake (PoS) Consensus Mechanism Change the Nature of MEV Compared to Proof-of-Work (PoW)?

PoS shifts MEV extraction from miners to validators/proposers; PBS separates block building from proposing, formalizing the MEV supply chain.
Greeks.Live12.11.25

How Does a Proof-of-Stake (PoS) Consensus Mechanism Change the Nature of MEV Compared to Proof-of-Work (PoW)?

In PoW, miners extract MEV by ordering transactions within the block they mine. In PoS, the block proposer (validator) extracts MEV.

The key change is the introduction of 'Proposer-Builder Separation' (PBS), which decentralizes the block construction process. Builders optimize MEV extraction, and proposers simply select the highest-paying block from the builders.

This formalizes and potentially democratizes MEV extraction compared to PoW.

How Does the MEV-Boost Mechanism Change the Relationship between Searchers and Proposers?
How Does the Implementation of ‘Proposer-Builder Separation’ (PBS) Relate to Flashbots?
Can MEV Occur on non-Proof-of-Stake (PoS) Blockchains?
What Incentives Do Validators Have to Participate in MEV Extraction?

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