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Merge fort-nix/nix-bitcoin#546: Update nixpkgs
63f8b74026 pyln-client: add patch that fixes plugins (Jonas Nick)
5255c7e8bc pyln-client: remove pkg patch that has become unnecessary (Jonas Nick)
c165836fd1 bitcoind: add "getdeploymentinfo" to public rpc whitelist (Jonas Nick)
623c238b16 clightning-plugins: remove commando pkg and module (Jonas Nick)
33144262ec clightning-plugins: bump ver of pyln-client required by prometheus (Jonas Nick)
9c766df16a Revert "clightning: fix build" (Jonas Nick)
b57e7466fb update nixpkgs (Jonas Nick)

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docs docs/configuration: improve section Remote bitcoind 2022-08-28 23:49:12 +02:00
examples shellcheck: fix lint of scripts in tests 2022-08-28 18:25:37 +02:00
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modules bitcoind: add "getdeploymentinfo" to public rpc whitelist 2022-09-07 08:44:52 +00:00
pkgs pyln-client: add patch that fixes plugins 2022-09-07 09:33:00 +00:00
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nix-bitcoin is a collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security.

Overview

nix-bitcoin can be used for personal or merchant wallets, public infrastructure or for Bitcoin application backends. In all cases, the aim is to provide security and privacy by default. However, while nix-bitcoin is used in production today, it is still considered experimental.

nix-bitcoin nodes can be deployed on dedicated hardware, virtual machines or containers. The Nix packages and NixOS modules can be used independently and combined freely.

nix-bitcoin is built on top of Nix and NixOS which provide powerful abstractions to keep it highly customizable and maintainable. Testament to this are nix-bitcoin's robust security features and its potent test framework. However, running nix-bitcoin does not require any previous experience with the Nix ecosystem.

Get started

Docs

Hint: To show a table of contents, click the button (Github TOC button) in the top left corner of the documents.

Features

A configuration preset for setting up a secure node

  • All applications use Tor for outbound connections and support accepting inbound connections via onion services.

NixOS modules (src)

Security

See SECURITY.md for the security policy and how to report a vulnerability.

nix-bitcoin aims to achieve a high degree of security by building on the following principles:

  • Simplicity: Only services enabled in configuration.nix and their dependencies are installed, support for doas (sudo alternative), code is continuously reviewed and refined.
  • Integrity: The Nix package manager guarantees that all dependencies are exactly specified, packages can be built from source to reduce reliance on binary caches, nix-bitcoin merge commits are signed, all commits are approved by multiple nix-bitcoin developers, upstream packages are cryptographically verified where possible, we use this software ourselves.
  • Principle of Least Privilege: Services operate with least privileges; they each have their own user and are restricted further with systemd features, RPC whitelisting and netns-isolation. There's a non-root user operator to interact with the various services.
  • Defense-in-depth: nix-bitcoin supports a hardened kernel, services are confined through discretionary access control, Linux namespaces, dbus firewall and seccomp-bpf with continuous improvements.

Note that if the machine you're deploying from is insecure, there is nothing nix-bitcoin can do to protect itself.

Security fund

The nix-bitcoin security fund is a 2 of 3 bitcoin multisig address open for donations, used to reward security researchers who discover vulnerabilities in nix-bitcoin or its upstream dependencies.
See Security Fund for details.

Troubleshooting

If you are having problems with nix-bitcoin check the FAQ or submit an issue.
There's also a Matrix room at #general:nixbitcoin.org and a #nix-bitcoin IRC channel on libera.
We are always happy to help.