Leading blockchain infrastructure and research company building secure systems for Ethereum, AI, and verifiable digital identity
Joined July 2018
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AI agents need economic rails.
@tkstanczak of @nethermind explores why autonomous systems operating onchain represent an entirely new asset class and what that means for how we build.
Live on the Main Stage at ETHConf.
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Great ecosystems are built by great teams. Cohort 1 brings together founders and innovators shaping the future of Ethereum's financial infrastructure.
x.com/0xboo/status/206254668…
1/ World, meet Cohort I of the Ethereum Security Subsidy Program. Out of 100 applicants, here are the 30 projects selected for our first of many cohorts.
Proudly securing @ethereum mainnet together with @ethereumfndn, @nethermind and @chainlinklabs.
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Jun 5
ETHConf, next week. The institutions come to Ethereum: SEC on tokenized securities, DTCC on settlement, BlackRock on why they want to be onchain.
It all settles on the execution layer. We've been building that layer since 2017.
In NY all week. Come talk infrastructure.
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Jun 3
Nethermind 1.38.0 is live: 51 contributors. 372 changes.
Nethermind co-authored EIP-7928 (Block-level Access Lists), which lands in this release. BALs let the client declare storage accesses up front and execute independent transactions in parallel rather than sequentially. EIP-7976 increases calldata floor cost and EIP-7981 prices access list tokens. All three are implemented ahead of Glamsterdam activation.
Several performance improvements: Hot-path optimizations across the execution layer. Address bytes are now embedded inline, removing a secondary allocation. EVM stack and EvmMemory tighten, parallel execution reduces worldstate and txprocessor allocations, and precompile caching extends.
EraE support arrives. Operators can prune historical data from local storage and re-import any block range from a SHA-256-verified remote archive, covering pre and post-merge.
The P2P layer rewrite cuts per-peer allocation by 54MB and 2.25M objects. Flat DB now persists its layout and refuses to start under a mismatched one, eliminating a class of restart-time corruption.
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Nethermind retweeted
The Ethereum ecosystem is lucky to have Friederike, Martin, Stefan and the entire Gnosis team on its side.
The products they built are really useful and have pushed the space forward. But what stands out most is how they handled themselves under pressure these past years. Owning problems fast, in public and standing behind their users every time. Today was no exception.
Not sure what to say in moments like this except: thank you. Keep being awesome.
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Nethermind retweeted
A ZK circuit can do exactly what it's supposed to and the system around it still gets drained. The risk lives in what the protocol assumes the proof means. Michael Belegris on the bugs our ZK audit team keeps finding: nethermind.io/blog/zk-circui…
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Nethermind retweeted
Your team takes the break. We take the audit.
A few slots open July 1 — August 15. Adjusted rates. AuditAgent Pro included so the codebase is ready before we start.
Smart contracts and ZK circuits.
nethermind.io/audit-slots
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Nethermind retweeted
Uniswap ran a free AuditAgent scan, an AgentArena competition on UniswapX, and adopted the AuditAgent Business Plan in three months. Cody Born, Principal Engineer at @Uniswap, on what AuditAgent changed in their development workflow:
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May 26
We built the OIF Starknet integration to extend the framework past EVM. Permissionless intents have to reach every chain.
nethermind.io/blog/open-inte…
May 26
The Open Intents Framework is designed as shared infrastructure for intents.
A modular, open framework that the ecosystem can build intents on, together.
Today, it takes its next step: adoption at scale.
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May 26
Aztec Alpha went live last quarter. The first privacy ZK rollup with full private smart contract execution on Ethereum mainnet.
We shipped a multi-asset fee payment contract (FPC) to testnet. FPCs are native to @aztecnetwork. What was missing was a version that supports non-native assets. With ours, users bridge USDC and pay fees in it directly, with no separate fee token to acquire first. One less wall between a new user and their first transaction.
Our Aztec Governance Dashboard went live. Our AztecNodes explorer added mainnet support. Plus developer tools: a faucet, a linter, an installable set of agent skills. And underneath, the protocol kept getting harder to break. 34 audit findings closed. Incident response through three post-launch events.
Privacy on Ethereum was a research direction for a decade. Last quarter, it became a working stack.
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May 26
Pluto ran a DKG ceremony with Charon. Two DVT clients in one ceremony, a first. Same client diversity model Ethereum landed on at L1, now reaching the middleware.
x.com/Obol_Collective/status…
May 25
Pluto, the second distributed validator client, continues to make progress towards mainnet.
Built by @Nethermind to bring client diversity to the middleware layer of Ethereum for the first time.
Testnet coming soon ⌛️
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Nethermind retweeted
Auditors aren't QA.
When the first days of an engagement go to integration bugs the team would catch on testnet, that's time off the review. When pass one goes to dead code and common vulnerability patterns, that's time not spent on bugs only auditors can find.
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May 20
Building a second execution client for Arbitrum means producing witness data byte-equivalent to what Nitro generates. Without that, the existing fraud-proof system can't resolve disputes across two clients. We just shipped that for Arbitrum.
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May 20
Programmable markets can't depend on a single implementation path. A rollup running on one execution client is one critical bug from a halt. Doesn't matter how good that client is. Arbitrum now has a second independent implementation.
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May 20
More resilient architecture, and a precondition for permissionless validation. Built by the Nethermind Arbitrum team. @dmn_orzecho13 leading the work. github.com/NethermindEth/net…
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AI agents will pick infrastructure with no single point of failure.
Client diversity gives Ethereum that property, and that's why @tkstanczak is certain they'll end up there.
Fireside with @kartiktalwar | @ETHGlobal at Paris Blockchain Week 2026.
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