Nethermind is a high-performance, highly configurable full Ethereum protocol client built on .NET that runs on Linux, Windows, and macOS, and supports Clique, Aura, Ethash, and Proof-of-Stake consensus algorithms. Nethermind offers very fast sync speeds and support for external plug-ins. Enjoy reliable access to rich on-chain data thanks to high-performance JSON-RPC based on the Kestrel web server. Healthy node monitoring is secured with a Grafana dashboard and Seq enterprise logging.

Nethermind documentation is available at docs.nethermind.io.

Mainnet Goerli Rinkeby Ropsten Sepolia Gnosis (xDai) Energy Web Volta Kovan

Release builds are available on the Releases page and at downloads.nethermind.io.

1. sudo add-apt-repository ppa:nethermindeth/nethermind
2. sudo apt install nethermind
3. To run the launcher: nethermind
4. To run the runner: nethermind -c mainnet

Tested on Ubuntu Series: Focal, Bionic, Xenial, and Trusty

1. brew tap nethermindeth/nethermind
2. brew install nethermind
3. To run the launcher: nethermind-launcher
4. To run the runner: nethermind -c mainnet

The official Docker images of Nethermind are available on Docker Hub.

In case of any Docker image need to be updated in the repository, you can update the digest of these images as follows:

docker inspect --format='{{index .RepoDigests 0}}' <image_name>

The output must show the image digest, and then you can copy that output to the FROM tag in the Dockerfile.

• Install .NET
• For some versions of Windows, you may need to install Visual C++ Redistributable.

• Install .NET

• Install dependencies:

  brew install rocksdb gmp snappy lz4 zstd

• Install .NET

• Install dependencies:

  sudo apt-get install libsnappy-dev libc6-dev libc6

  An extra dependency for aarch64 (arm64):

  sudo apt-get install libgflags-dev

Tested on Ubuntu 21.04, 20.04 and 18.04 LTS and 21.10

• Install .NET

• Install dependencies:

  sudo apt-get install libsnappy-dev libc6-dev libc6

Tested on Debian 10 (9 not working)

• Install .NET

• Install dependencies:

  sudo yum install -y glibc-devel bzip2-devel libzstd
  
  # Link libraries
  sudo ln -s `find /usr/lib64/ -type f -name "libbz2.so.1*"` /usr/lib64/libbz2.so.1.0

Tested on CentOS 8

• Install .NET

• Install dependencies:

  sudo yum install -y glibc-devel snappy libzstd
  
  # Link libraries
  sudo ln -s `find /usr/lib64/ -type f -name "libbz2.so.1*"` /usr/lib64/libbz2.so.1.0

Tested on Fedora 32

git clone https://github.com/nethermindeth/nethermind --recursive
cd nethermind/src/Nethermind/Nethermind.Runner
dotnet run -c release -- -c mainnet

Run the Nethermind and/or Ethereum Foundation tests as follows:

dotnet test Nethermind.sln -c debug
dotnet test EthereumTests.sln -c debug

BEFORE you start work on a feature or fix, please read and follow our contribution guide to help avoid any wasted or duplicate effort.

Nethermind is an open-source software licensed under the LGPL-3.0.