Core developers of the decentralized blockchain Ethereum announced that they have launched the EIP-7732 formal specification, which is based on the Enshrined Proposer-Builder Separation (ePBS), which is intended to enhance the decentralized blockchain’s functionality.
This Ethereum Improvement Proposal (EIP) is a consensus-only upgrade designed to logically and temporally separate execution validation from consensus validation. It achieves this by introducing an optional role (builder) and a new duty for Ethereum validators (submitting payload timeliness attestations). Additionally, it directly integrates the separation of block proposers and builders into Ethereum’s consensus layer.
The ExecutionPayload field of the BeaconBlockBody is replaced by a signed commitment, specifically a SignedExecutionPayloadHeader object, from a builder to reveal the corresponding execution payload later. This commitment details the blockhash of the execution block and the value to be paid to the beacon block proposer. During the processing of the BeaconBlock, the committed value is deducted from the builder’s beacon chain balance and credited to the beacon block proposer. Additionally, a subset of validators from the beacon committee is assigned to the Payload Timeliness Committee (PTC). These validators are responsible for attesting, through broadcasting a PayloadAttestationMessage, whether the builder has revealed the committed execution payload with the correct blockhash in a timely manner.
EIP-7732 introduces changes to the beacon chain, fork choice rules, and P2P communication, and it permits validators to take on the role of builders as they are staked in the beacon chain, enabling trustless enforcement of the builder’s payment to the proposer.
The design of EIP-7732 is structured to be compatible with future upgrades, ensuring its adaptability and integration with subsequent enhancements to the Ethereum network.
Ethereum Core Developers Unveil Plans To Implement Pectra Upgrade
In May, Ethereum core developers revealed plans to implement the Pectra upgrade by Q1 of 2025. This advancement marks the next notable update for Ethereum, following the successful implementation of Dencun in March 2023.
Pectra is anticipated to incorporate EIP-7251, known as “increase max effective balance.” This modification will permit individual validators to stake up to 2,048 ETH, raising the current maximum limit of 32 ETH. By increasing the maximum effective validator balance, operators have the option to operate fewer validators with larger stakes, potentially minimizing overall complexity.
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