Nethermind
@Nethermind
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Leading blockchain infrastructure and research company building secure systems for Ethereum, AI, and verifiable digital identity
Ethereum
Joined July 2018
@EFDevcon is almost here. We're everywhere this week: in the AI District, around the city at side events and at @ETHGlobal. Here’s everywhere you can find us. If you want to talk infra, security, privacy, Agentic AI, or what you’re building, come say hi 👇
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EIP-7917 improves validator scheduling predictability and enables faster preconfirmations. Co-authored by @linoscope, this proposal ships with Fusaka and strengthens coordination between validators and applications. Learn more ⬇️
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Privacy is fundamental to the Web3 vision, and we’re proud to support the teams making it a reality. Huge milestone for @aztecnetwork. 👇 https://t.co/aTUf9ZmdEP
The $AZTEC token sale is live. An onchain, community-owned sale where you set the terms. No airdrops. No mysterious allocations. https://t.co/wlRDDzJvU6
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Web3 security is shifting from detection to prevention. At Security Connect, leaders from @HypernativeLabs, @Nethermind, @zksync, @ethereumfndn, @UBS, and @yield_xyz will explore how to secure the next phase of onchain systems. 📅 Nov 19, Buenos Aires 🔗
luma.com
Security Connect: Hypernative x Nethermind 📍 Innovation Lab, Buenos Aires 🗓️ 19 November, 9:00 AM – 1:00 PM Join us for Security Connect, an exclusive…
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Everyone thinks they’re audit-ready - right until they ship too fast. Next week we’re breaking down how to move fast and stay safe, without getting rekt. Free alpha ahead on our X Spaces with @RektHQ. Set your reminders now. 👇 https://t.co/2xjsA0rLvD
Don’t Get Rekt - ep03 You’ve done the audits. Shipped the bounties. Feeling ready for the big leagues? Next week we’re talking to @NethermindSec about the risks of shipping too fast, and what “audit ready” really means. https://t.co/qmucABSYqu
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The @ethereum BPO2 fork is live on the Hoodi testnet. 🔥 This stage validates client behavior under dynamic blob capacity changes, confirming readiness for the Fusaka upgrade. Thanks to everyone who coordinated the fork across the ecosystem!
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At @ETHGlobal Buenos Aires, build the foundations of the Agentic Economy with Nethermind. $10,000. Four bounties. One direction: verifiable, intelligent systems. 🧠 AuditAgent: use AI to spot a real vulnerability in your smart contract and show us how you fixed it. 🤖
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When AI systems act in the real world, we’ll need verifiable logic, not blind trust. That’s why connecting roboticists and Ethereum builders matters: shared ground for verifiable intelligence. https://t.co/J30GRLhKSV
First edition of our Crypto x AI x Robotics event at Ethereum London, huge thanks to all our speakers & panelists. Fantastic turnout! Let’s bring the roboticists and AI engineers and researchers together to Ethereum. Big thanks to @encodeclub, @EFetheverywhere, @ETHLDN, and
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@EFDevcon @ethereum The infrastructure is running: → Execution client powering ~30% of the network → AuditAgent finding vulnerabilities pre-deploy → @Ch40sChain creating cryptographic records of agent activity How it connects: https://t.co/0vzK79lqRL AI District, Nov 17–22 to learn more.
nethermind.io
Nethermind builds the verifiable infrastructure enabling autonomous AI agents to operate securely across Ethereum's ecosystem with cryptographic trust and accountability.
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Buenos Aires, we’ll see you soon. On Nov 18 (Day 2 of Devconnect), join @worldcoin and Nethermind for The Meeting Spot, a full day of co-working, coffee, and conversations with builders and friends. ☕ Save your spot →
luma.com
📍 Where: Francisca Coffee 📅 When: 18 Nov, 9:00 AM – 6:00 PM 👥 Organized by: World & Nethermind 🥐 Free coffee & snacks all day Hola Argentina!…
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The @ethereum BPO1 fork is live and running smoothly on Nethermind's Hoodi testnet. BPO (Blob Parameter Only) tests validate automated blob capacity increases, which are a key part of the upcoming Fusaka upgrade. Thanks to everyone across the ecosystem for the coordination 🚀
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🚨 Nethermind v1.35.2 is out This release replaces v1.35.1 and is mandatory for all node operators. It includes the Ethereum Mainnet Fusaka hard fork config (Osaka, BPO1 & BPO2). Upgrade before Dec 3, 2025 – 9:49:11 PM (UTC) to stay in sync. 🔗
github.com
Release notes ImportantThis release replaces v1.35.1 and is mandatory for all node operators. It includes the Ethereum Mainnet Fusaka hard fork configuration (Osaka, BPO1, and BPO2 upgrades). All n...
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We’re aware of an issue in v1.35.1 that can halt node operation. Please hold off on upgrading until v1.35.2 is live. https://t.co/H3vKeAO24H
Version 1.35.1 of @Nethermind client is having a unexpected issue which can stop your node (restart fixes it very likely). Avoid upgrading to 1.35.1 - we are in process of releasing 1.35.2
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@ethereum @marcin_d_s @M25Marek @maceo_eth Gas Benchmarks is now integrated into EELS and EF testing infrastructure, built in collaboration w/ @ChodoKamil, @parithosh_j, @JochemBrouwer96, @0xlouistsai, @CPerezz19, and all client teams. This is how Ethereum scales: empirically, safely, together. https://t.co/V6rErNBGh0
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@ethereum @marcin_d_s @M25Marek @maceo_eth At Berlinterop, client teams ran coordinated stress tests under shared parameters. Five days of optimization showed measurable improvement across all implementations. This validated data gave confidence to move from 36M to 45M gas, with the path clear to 60M+ 4/
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@ethereum This methodology drove the first performance-to-protocol change: ModExp bottlenecks revealed by benchmarks led to EIP-7883 and coordinated optimizations across all clients. Co-authored by @marcin_d_s @M25Marek @maceo_eth 3/
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@ethereum The framework measures worst-case client performance under identical conditions. Same hardware. Same stress tests. Reproducible data. Before any gas limit increase, every implementation must sustain the throughput required without compromising consensus. 2/
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What began as a Nethermind experiment is now the methodology @Ethereum uses to validate every gas limit increase. Gas Benchmarks defines how the protocol proves readiness before scaling. 🧵
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Nethermind v1.35.1 is live. ⚠️ Mandatory update for mainnet operators ahead of the fork. Release notes: https://t.co/1W0iTwUs19
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A small EVM improvement with big performance impact. EIP-7939: Count Leading Zeros (CLZ) opcode, co-authored by @ben_a_adams, lands in Fusaka this December. Making compression, hashing, and ZK proving cheaper and faster. 🔽
EIP-7939: Count Leading Zeros (CLZ) opcode. A small change that makes onchain 256bit math faster. It adds a native opcode to count leading zero bits in a 256-bit word: useful for liquidity pools, compression, logarithms, and zero-knowledge proving.
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