Client Implementations

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

Sc

Fukuii

Primary

Purpose-built for Ethereum Classic — an independent implementation designed from the ground up for performance, security, and protocol parity. Primary client for the Olympia upgrade.

Go

Core-Geth

Maintained

Two security releases shipped (v1.12.21, v1.12.22) addressing CVE mitigations and DNS discovery updates. The established mainnet client continuing in a maintenance role alongside next-generation implementations.

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

Plugin

A plugin that adds ETC support into the Besu codebase.

Go

Erigon

Plugin

A plugin that adds ETC support into the Erigon codebase.

Go

Go-Ethereum

Plugin

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

C#

Nethermind

Plugin

A plugin that adds ETC support into the Nethermind codebase.