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How Does the Implementation of ‘Proposer-Builder Separation’ (PBS) Relate to Flashbots?

PBS is the decentralized, protocol-level implementation of the separation that Flashbots currently facilitates off-chain to reduce validator MEV power.
Greeks.Live11.11.25

How Does the Implementation of ‘Proposer-Builder Separation’ (PBS) Relate to Flashbots?

Proposer-Builder Separation (PBS) is a core design principle for mitigating centralization risks in Proof-of-Stake. Flashbots' current architecture is a centralized, immediate precursor to PBS.

PBS formally separates the role of the block proposer (validator) from the block builder, preventing the proposer from engaging in MEV extraction themselves. Flashbots effectively implements this separation voluntarily and off-chain.

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How Do ‘Flashbots’ Aim to Mitigate the Negative Externalities of MEV?
How Does the Concept of ‘Proposer-Builder Separation’ (PBS) Relate to Flashbots?

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