EIP-7732: Enshrined PBS

• EIP-7732 assigned for ePBS.

• Obol introduces the Obol Collective.

• Hyperdrive goes live on mainnet.

• Uniswap supports ZKsync Era.

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Ethereum core developers introduced EIP-7732, a formal specification for Enshrined Proposer-Builder Separation (ePBS). EIP-7732 is a consensus layer-only upgrade that decouples execution validation from consensus validation, enshrining PBS directly into Ethereum's consensus layer. PBS refers to the separation of block proposer and builder. EIP-7732 includes changes to the beacon chain, fork choice rules, P2P communication, and allows validators to play the role of builders. Builders are sophisticated actors who construct blocks that extract MEV. The upgrade aims to eliminate the reliance on relayers and middleware software such as MEV Boost for validators. ePBS provides a trust-free exchange between proposers and builders and enables efficient CPU utilization for validators. The implementation features a Payload Timeliness Committee (PTC), where a subset of the attestation committee votes on the timeliness of the builder’s payload release. EIP-7732 is also designed to be compatible with future upgrades, like inclusion lists.

Obol launched the Obol Collective, a consortium of over 50 entities dedicated to the development and adoption of distributed validators (DVs). The participants include staking protocols, client teams, software tools, community projects, and solo node operators. EtherFi and Lido have committed $1.5 billion of stake to be managed by DVs. The Obol Collective will initially oversee Obol’s 1% for Decentralization (1forDS) retroactive fund, which allocates 1% of staking rewards from DVs to projects that enhance Ethereum's decentralization. Obol intends to gradually decentralize the governance of the fund. Distributed validators enhance Ethereum's fault tolerance by mitigating risks associated with client bugs and slashing.

Element DAO launched its Hyperdrive AMM on Ethereum Mainnet, enabling users to trade fixed and variable interest rates. The initial launch supports 6-month term pools for stETH and sDAI. Users can also deposit liquidity to earn trading fees, variable rates on idle funds, and counter-trade with other traders on the protocol. Hyperdrive aims to enhance capital efficiency and address fragmented liquidity with features like on-demand terms, single-sided liquidity, and continuous liquidity provision. To earn a fixed interest rate, users purchase hyTokens at a discounted rate, which can be redeemed for their full value at maturity or sold at any time at a discount. To earn a variable rate, users pay the fixed rate to the pool and receive capital equivalent to the discount on the hyTokens.

The Uniswap front end now supports zkSync Era, enabling users to execute swaps, provide liquidity, and deploy pools on the network. Uniswap V3 contracts were initially deployed on zkSync Era in Q4 of last year and were accessible to end users via an alternative front end by Oku Trade. zkSync Era is an EVM-compatible ZK-Rollup and is the fifth-largest rollup by TVL.

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