Unsanctioned
Sustainable
Development
for the Original Ethereum Vision
Classix is an open source development agency with skin in the game, building and maintaining critical infrastructure for Ethereum Classic.
Why Classix
Building Without Permission.
Core Maintenance
Security-focused maintenance of the primary ETC execution client. We help harden the Classic network through client diversity, protocol vigilance, and timely updates that keep the chain secure and performant.
INFO Starting Core-Geth v1.12.20
INFO Chain ID: 61
INFO Network: ETC Mainnet
$ eth.syncing
false
Developer Tooling
Public testnets, faucets, block explorers, and developer SDKs. We help reduce friction so builders can deploy on ETC as easily as any other EVM chain.
{"status":"ok","tx":"0xa3f..."}
$ npx hardhat deploy --network etc
Deployed to 0x7B2...
Network Operations
We help operate public RPC endpoints, boot nodes, and monitoring infrastructure that keeps the ETC network accessible and observable 24/7.
Aligned Incentives
Our success is permanently tied to the health of the network we help maintain. We succeed only when ETC succeeds.
Advocacy
We help maintain ethereumclassic.org, the primary information hub for ETC — authoring educational content, ecosystem guides, and multilingual documentation in 21 languages.
Research
We help conduct protocol-level research to advance ETC's capabilities. Our work on ECIP-1120 brings a streamlined EIP-1559 fee mechanism to Ethereum Classic — introducing a dynamic basefee system with miner incentives for better transaction fee predictability and network efficiency. More research initiatives are underway.
Articles
For the Record.
Ethereum Classic Mumbai
A casual evening with Ethereum Classic developers and contributors at Leopold Cafe in Mumbai on 2026-11-02, after Ethereum Cypherpunk Congress
Reflections on TOKEN2049
Istora and Diego were at TOKEN2049 in Singapore. Notes on Zcash, the quantum and AI threat to ECDSA, and the projects that could build on Ethereum Classic next.
How Much ETH and ETC Sits Behind Exposed Public Keys
First results from the Classix ETC BigQuery dataset on how much Ethereum Classic sits at addresses whose public key is already on-chain, which holders should migrate first, and how Ethereum compares.
Ethereum Classic Is Back in BigQuery
Classix is now providing a current, public copy of the whole Ethereum Classic chain in Google BigQuery, loaded from our own archive nodes.
The Praxeology of Ethereum Classic
In 2015 Vitalik Buterin explained why blockchains are useful. Ethereum Classic proved him right. In this post, we use Praxeology to explain why.
Rogue Core-Geth Release Incident Report
A social engineering attack on Ethereum Classic involving an impostor core-geth client was recently thwarted. An unreviewed "security release" was shipped on 2026-09-14 and pushed to node operators. In this post we break down what happened.
Hello, Classix
An introduction to Classix, and the people behind it.
The 2026 Classix Roadmap
What Classix intends to deliver in 2026, and where the work points after that.
The Next Chapter
A brief introduction to Classix.
Project Triforce
Three clients, three providers, three regions, three sync modes. A mesh-pinned, eclipse-resistant ETC RPC, published as reproducible NixOS.
The Classix Manifesto
On sovereignty, neutrality, and what gave rise to Classix.
Special Projects
Classix Guerrilla Research Unit
We're actively engaged across multiple areas of development, from the deeply technical to the unapologetically ideological.
Protocol Viscera Sustenance
Nourishing and tending the living core clients, execution standards, and vital organs.
Hyperstitial Simulacra
Stable shadow testnets for rehearsing upgrades and manifesting the future before it arrives.
Self-Sovereignty Tooling
Open multisig and threshold-signature tooling so any organisation can hold its own keys without a third-party custodian.
Solarpunk Mining Initiative
Harnessing renewable energy to secure the chain without compromise.
Agentic Substrate Bootstrapping
Building the fertile ground where machine autonomy meets immutable money.
Memetic Ordinance Division
Manufacturing and deploying ideas, narratives, and cultural payloads that penetrate the zeitgeist.
Meatspace Polyphonics
Synchronizing the human layer through calls, gatherings, and analog bandwidth.
Network Diplomacy Bureau
Forging alliances and navigating the technosocioeconomic landscape.
Algorithmic Eschatology Engine
Automated oracles that divine optimal liquidation moments from off-chain entropy.
Cybernetic Antibody Deployment
Sentinels that detect, diagnose, and neutralize vulnerabilities at machine speed.
Quantum Resilience Metallurgy
Forging cryptographic alloys that survive the post-quantum crucible.
Clandestine Operations
Black Budget Projects. If you know, you know. If you don't, you will.
Pax Classica
A Foundation of Principles
The principles that make ETC worth building on are the same ones we refuse to compromise.
Learn MoreCode is Law
Immutability as a first principle. Smart contracts execute as written, without intervention or rollbacks.
Proof-of-work security
Sound money backed by real-world energy expenditure. No staking plutocracy, no validator cartels.
Decentralism
No single entity controls ETC. Development happens through rough consensus and transparent collaboration.
Refrigerator Friendly
True permissionless means it doesn't matter whether you're a human or a refrigerator. Equal footing for all participants.
Neutrality is necessary. It's important for anyone participating in blockchain-enabled cooperation to be on an equal footing with everyone else. It doesn't matter if you wield huge economic power or only a tiny amount. [...] It doesn't matter whether you're a human or a refrigerator. It doesn't matter what you believe in, what political theory you subscribe to, [...]. A participant's ethnicity, age, [...], profession, social standing, friends or affiliations, make or model, goals, purposes or intentions — none of this matters to the blockchain even a bit. The rules of the game are exactly the same for everyone, period.
- October2026ETC back in BigQuery, an exposed public keys analysis, etchd on ETC mainnet, Besu on a new fork, Nethermind ETC plugin v2.2.0.0, Community Calls 61 and 62 and the Mumbai meetup.39 items
- September2026Hello, Classix, the rogue core-geth incident report, rpc.classix.dev on Triforce, Nethermind ETC plugin v2.0.0.0, Community Calls 59 and 60 and 29 @eth_classic posts.37 items
- August2026core-geth v1.12.23 Argos, an upstream Besu full-sync fix, the Triforce dashboard and first mainnet cells, Community Call 58 and the public 2026 roadmap.21 items
- July2026open-etc-pool v0.9.0, Go Ethereum Classic v1.17.3-etc.1, five Nethermind ETC plugin releases, Besu ETC 26.6.1-etc, etc-nix, ECIP-1130 Bastion and Community Calls 56 and 57.22 items
- June2026Nethermind ETC plugin v1.38.0.0 and v1.38.1.0, Geth Classic and Besu plugin groundwork and Community Calls 54 and 55.9 items
- May2026The Classix Manifesto, Project Triforce and The Next Chapter posts, rpc.classix.dev, an upstream Besu merge, Nethermind ETC plugin v1.37.2.0 and Community Calls 51 to 53.15 items
- April2026An upstream go-ethereum pathdb fix, a full Nethermind ETC mainnet archive sync, Besu ETC plugin test builds and Community Calls 49 and 50.10 items
- March2026core-geth v1.12.21 and v1.12.22, the first Go Ethereum Classic release, an upstream Besu sync fix, Community Calls 47 and 48 and the first classix.dev landing page.15 items