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Block Builder Latency

Definition ∞ Block builder latency refers to the time delay between a block builder receiving transactions and including them in a proposed block for a validator. This delay impacts the speed at which transactions are confirmed on a blockchain network. Minimizing latency is crucial for maintaining transaction throughput and reducing opportunities for certain forms of value extraction.
Context ∞ In proof-of-stake blockchains, particularly Ethereum post-Merge, block builder latency is a central topic in the context of Maximal Extractable Value (MEV) and block production fairness. Excessive latency can disadvantage honest participants and concentrate power among those with superior infrastructure. Efforts to reduce this delay involve advancements in network architecture and builder-validator communication protocols.

A central abstract structure, horizontally oriented, comprises myriad faceted blue crystalline forms, transitioning from dark indigo to vibrant azure. This represents aggregated transaction data within sharding segments, forming an immutable distributed ledger technology core. Four smooth, white opaque spheres, embedded at each end, signify validator nodes or digital asset anchors. Transparent, intersecting rings encapsulate the entire assembly, illustrating interoperability protocols and cryptographic primitives that facilitate secure cross-chain communication and consensus mechanisms within a decentralized network architecture.

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Game-Theoretic Model Quantifies MEV-Boost Auction Inefficiency and Strategic Latency Dominance

A game-theoretic model formalizes MEV-Boost auctions, demonstrating how latency and strategic bidding, not maximal value, drive block selection, quantifying auction inefficiency.