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Concordium Node

Concordium Node is an open-source implementation of a peer-to-peer node that participates in the Concordium network and runs consensus and finalization. Its Rust node package supplies the network layer and executables, while a separate Haskell package implements consensus and related components.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Concordium Node — OpenViST project profile in Infrastructure.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use this repository when you need Concordium node infrastructure or want to develop against its node and consensus components. Its documentation points to a local-chain guide for running a node from source.

Who it is for

  • Operators building or running a Concordium peer-to-peer node.
  • Developers working on Concordium consensus, node components, or tools that depend on its packages and APIs.

Documented uses

  • Build a node that participates in the Concordium network.
  • Work with the consensus implementation, including finalization, scheduling, and block and tree storage.
  • Collect information from a node and provide summary data to a backend used by the network dashboard.
Before you choose

Requirements & limits

The repository is public and licensed under AGPL-3.0.

  • The implementation is split across Rust networking and Haskell consensus packages.
  • A recursive clone or initialized submodules is needed to include Concordium Base and the gRPC API definitions.
  • The documented Rust build workflow uses stable Rust 1.82; the Haskell workflow typically uses Stack and requires Rust dependencies to be built first.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Prepare the Concordium node repository and its submodules

Check out the node source with its referenced submodule dependencies available.

Before you start

  • Git access to the Concordium node repository.

Steps

  1. Clone the repository recursively, or clone it and run the command below.

    Documented command
    git submodule update --init --recursive

  2. After changing branches, run the command below to initialize or update the submodules.

    Documented command
    git submodule update --init --recursive

Expected outcome

The repository and its submodules, including the referenced concordium-base and concordium-grpc-api repositories, are initialized.

Guide limitations

  • This prepares the source tree only; it does not build or run the node.
  • Build instructions are in concordium-node/README.md; the repository also points to docs/local-chain.md for running a node from source.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
12 October 2026
Original website title
Concordium/concordium-node · Official homepage title · retained in its source language
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