Definition ∞ Execution payload rights grant permission to construct and propose the content of a blockchain block’s transaction list. These rights typically belong to a block builder or proposer in proof-of-stake systems, allowing them to select and order transactions for inclusion in a new block. The holder of these rights can optimize the block’s content to maximize transaction fees or extract Maximal Extractable Value. This separation of concerns is a key feature in modern blockchain architectures.
Context ∞ The transfer and auctioning of execution payload rights are central to the Maximal Extractable Value supply chain, a frequent topic in advanced crypto news. Debates revolve around the centralization risks and fairness implications associated with how these rights are managed and utilized by various network participants.
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