Ethereum Targets Node Efficiency With Proposal To Reduce Block Retention Window To 36 Days
In Brief
Ethereum developers propose cutting the consensus layer block retention window from 9 months to 36 days to reduce node storage and sync burden.
Ethereum developer Kevaundray Wedderburn submitted a new Ethereum Improvement Proposal on August 17 via GitHub pull request #12188, calling for a reduction in the consensus layer (CL) block retention window. The proposal, currently a draft pending an official EIP number, would cut the required retention period from 33,024 epochs to 8,192 epochs — approximately 36.4 days.
The change is classified as non-forking and informational, meaning it would not alter Ethereum’s protocol rules but would update expectations for node operators. Its primary aim is to reduce the backfill burden that follows checkpoint synchronization: by shortening how long nodes are required to retain historical beacon blocks, the proposal would lower demands on bandwidth, disk space, and sync time.
The proposal has entered public review and received early support from within the developer community. Ethereum contributor Dapplion endorsed the direction, while Lighthouse client developer Michael Sproul noted he does not foresee operational issues arising for Lighthouse. Sproul added that in a mixed network, older clients would remain able to sync from peers still holding the longer retention window. The PR has not been merged.
Ethereum Developers Weigh 66 Proposals for 2027 Hegotá Upgrade
The proposal is one of several circulating in the Ethereum developer community this week, as attention also turns to a broader push to expand Ethereum’s protocol-level capabilities ahead of the planned Hegotá network upgrade in 2027. Developers are currently evaluating a package of 66 Ethereum Improvement Proposals for Hegotá, several of which target on-chain privacy — an area the network has historically left to third-party solutions.
The centerpiece privacy proposal is EIP-8141, or “Frame Transactions,” which would allow privacy pools to pay their own gas fees without relying on external relayers. Because each intermediary interaction creates a metadata trail that can expose sender information, removing that dependency is seen as a meaningful step toward native transaction privacy. Complementing it, EIP-8182 would introduce a shared shielded pool for anonymous ETH and ERC-20 transfers, while EIP-8250 proposes keyed nonces to prevent observers from linking separate private transactions through nonce pattern analysis.
Of the proposals under review, only EIP-7805 (FOCIL), a censorship-resistance mechanism enforcing transaction inclusion lists, has been confirmed for Hegotá as of mid-August 2026. The remaining proposals face continued technical review and security auditing. Hegotá is expected to follow the Glamsterdam upgrade, currently slated for Q4 2026, giving developers roughly a year to finalize scope.
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Alisa, a dedicated journalist at the MPost, specializes in crypto, AI, investments, and the expansive realm of Web3. With a keen eye for emerging trends and technologies, she delivers comprehensive coverage to inform and engage readers in the ever-evolving landscape of digital finance.
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Alisa, a dedicated journalist at the MPost, specializes in crypto, AI, investments, and the expansive realm of Web3. With a keen eye for emerging trends and technologies, she delivers comprehensive coverage to inform and engage readers in the ever-evolving landscape of digital finance.
