ZK Industry News: October 16th to 22nd, 2025
✨ ZK-Newsflash! ✨
We're bringing you industry highlights each week so you can stay aligned with the latest developments in ZK.
Here's what happened from October 16th to 22nd, 2025.
Vitalik Buterin published an article outlining the GKR Protocol
This protocol is behind several proof systems and enables proving large computations without committing to intermediate states.
In the article, Vitalik also references a blog post by LambdaClass, which offers a detailed explanation of the Protocol. You can find the link here.
A GKR tutorial:https://t.co/Oo7jraC4sy
— vitalik.eth (@VitalikButerin) October 20, 2025
The Holesky testnet has begun its shutdown process
This testnet has been set to go offline two weeks after the Fusaka upgrade on October 1. Developers are advised to migrate to Sepolia, while staking providers should move to Hoodi. Holesky launched on September 28, 2023.
Holešky degradation will begin this week. The network has served its purpose for Fusaka testing and operators will start shutting down their nodes at various points over the next 10 days.
— Ethereum Foundation (@ethereumfndn) October 20, 2025
Please refer to this post for further details. https://t.co/o4faEhPyuV
The Ethereum Foundation’s zkEVM team outlined benchmarking principles for zkVMs to ensure Ethereum’s scalability and security
The goal is to validate ZK-based block proving for real-time performance, using Ethereum-specific workloads, to determine if zkVMs are viable for the Layer 1.
We published an article on how we’re approaching zkVM benchmarking for Ethereum: https://t.co/4Bf3FOuEFT
— Ignacio Hagopian (@ignaciohagopian) October 22, 2025
Hopefully it’s a useful starting point for diving deeper into the technical details of this effort.
The Ethereum Validators Association (EVA) has been announced
This association was created by the Ethereum Community Foundation and aims to improve validator representation in protocol development. EVA will focus on validator coordination, research, transparency, and governance.
Today we announce the Ethereum Validators Association (EVA), created by the @ethcforg
— Ethereum Validators Association (@ethvaorg) October 22, 2025
EVA gives Ethereum’s validators a unified structure for coordination, research, and advocacy.
The association will officially launch at Devconnect Buenos Aires.
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