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Network Software

Client Implementations

Multi-client architecture following best practices in client execution and enterprise-grade features.

190.5 TH/s

Live

Network Hashrate

Sc

Fukuii

Primary

Ethereum execution layer client in Scala 3 — native Proof-of-Work consensus for Ethereum Classic and Mordor, plus Engine API V1–V4 for post-Merge Ethereum. Pairs with Lighthouse, Prysm, Teku, Lodestar, or Nimbus to run Sepolia and ETH mainnet. One binary, four networks. The primary ETC client for the Olympia era.

Website Releases Docs
Go

Core-Geth

Maintained

The legacy ETC client, actively maintained and carried forward through the Olympia upgrade for network continuity. Core-Geth is scheduled to phase out as Fukuii assumes the primary client role in the Olympia era. The upstream go-ethereum plugin architecture is the long-term path, replacing the need for a dedicated fork.

Website Releases Docs

ETC Plugins

ETC compatibility layers for major upstream clients — bringing Ethereum Classic support to the broader Ethereum client ecosystem without maintaining full forks.

Ja

Besu

PluginFuture

A plugin that adds ETC support into the Besu codebase.

Releases Docs
Go

Erigon

PluginFuture

A plugin that adds ETC support into the Erigon codebase.

Releases Docs
Go

Go-Ethereum

PluginFuture

A plugin that adds ETC support into the Go-Ethereum codebase.

Releases Docs
C#

Nethermind

PluginFuture

A plugin that adds ETC support into the Nethermind codebase.

Releases Docs
Ru

Reth

PluginFuture

A plugin that adds ETC support into the Reth codebase.

Releases Docs