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https://github.com/fort-nix/nix-bitcoin

A collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security.
https://github.com/fort-nix/nix-bitcoin

bitcoin bitcoind nix nix-packages nixops nixos

Last synced: 29 days ago
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A collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security.

Host: GitHub
URL: https://github.com/fort-nix/nix-bitcoin
Owner: fort-nix
License: mit
Created: 2018-12-06T16:06:42.000Z (almost 6 years ago)
Default Branch: master
Last Pushed: 2024-09-25T07:15:06.000Z (about 1 month ago)
Last Synced: 2024-09-28T09:03:45.848Z (about 1 month ago)
Topics: bitcoin, bitcoind, nix, nix-packages, nixops, nixos
Language: Nix
Homepage: https://nixbitcoin.org
Size: 3.7 MB
Stars: 494
Watchers: 25
Forks: 102
Open Issues: 41
Metadata Files:
- Readme: README.md
- License: LICENSE
- Security: SECURITY.md

Awesome Lists containing this project

awesome-nix - nix-bitcoin - Modules and packages for Bitcoin nodes with higher-layer protocols with an emphasis on security. (NixOS Modules / Zig)

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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](https://nixos.org/) 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

---

- See the [examples](examples/README.md) for an overview of all features.

- To setup a new node from scratch, see the [installation instructions](docs/install.md).

- To add nix-bitcoin to an existing NixOS configuration, see [importable-configuration.nix](examples/importable-configuration.nix)

  and the [Flake example](examples/flakes/flake.nix).

Docs

---

Hint: To show a table of contents, click the button (![Github TOC button](docs/img/github-table-of-contents.svg)) in the

top left corner of the documents.

* [NixOS options search](https://search.nixos.org/flakes?channel=unstable&sort=relevance&type=options&query=bitcoin)

* [Hardware requirements](docs/hardware.md)

* [Installation](docs/install.md)

* [Configuration and maintenance](docs/configuration.md)

* [Using services](docs/services.md)

* [FAQ](docs/faq.md)

Features

---

A [configuration preset](modules/presets/secure-node.nix) for setting up a secure node

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

NixOS modules ([src](modules/modules.nix))

* Application services

  * [bitcoind](https://github.com/bitcoin/bitcoin)

  * [clightning](https://github.com/ElementsProject/lightning) with support for announcing an onion service

    and [database replication](docs/services.md#setup-clightning-database-replication).\

    Available plugins:

    * [clboss](https://github.com/ZmnSCPxj/clboss): automated C-Lightning Node Manager

    * [currencyrate](https://github.com/lightningd/plugins/tree/master/currencyrate): currency converter

    * [monitor](https://github.com/lightningd/plugins/tree/master/monitor): helps you analyze the health of your peers and channels

    * [rebalance](https://github.com/lightningd/plugins/tree/master/rebalance): keeps your channels balanced

    * [trustedcoin](https://github.com/nbd-wtf/trustedcoin) ([experimental](docs/services.md#trustedcoin)): replaces bitcoind with trusted public explorers

    * [zmq](https://github.com/lightningd/plugins/tree/master/zmq): publishes notifications via ZeroMQ to configured endpoints

  * [clightning-rest](https://github.com/Ride-The-Lightning/c-lightning-REST): REST server for clightning

  * [lnd](https://github.com/lightningnetwork/lnd) with support for announcing an onion service and [static channel backups](https://github.com/lightningnetwork/lnd/blob/master/docs/recovery.md)

    * [Lightning Loop](https://github.com/lightninglabs/loop)

    * [Lightning Pool](https://github.com/lightninglabs/pool)

    * [charge-lnd](https://github.com/accumulator/charge-lnd): policy-based channel fee manager

  * [lndconnect](https://github.com/LN-Zap/lndconnect): connect your wallet to lnd or

    clightning [via WireGuard](./docs/services.md#use-zeus-mobile-lightning-wallet-via-wireguard) or

    [Tor](./docs/services.md#use-zeus-mobile-lightning-wallet-via-tor)

  * [Ride The Lightning](https://github.com/Ride-The-Lightning/RTL): web interface for `lnd` and `clightning`

  * [mempool](https://github.com/mempool/mempool): Bitcoin visualizer, explorer, and API service

  * [electrs](https://github.com/romanz/electrs): Electrum server

  * [fulcrum](https://github.com/cculianu/Fulcrum): Electrum server (see [the module](modules/fulcrum.nix) for a comparison with electrs)

  * [btcpayserver](https://github.com/btcpayserver/btcpayserver)

  * [liquid](https://github.com/elementsproject/elements): federated sidechain

  * [JoinMarket](https://github.com/joinmarket-org/joinmarket-clientserver)

    * [JoinMarket Orderbook Watcher](https://github.com/JoinMarket-Org/joinmarket-clientserver/blob/master/docs/orderbook.md)

  * [bitcoin-core-hwi](https://github.com/bitcoin-core/HWI)

* Helper

  * [netns-isolation](modules/netns-isolation.nix): isolates applications on the network-level via network namespaces

  * [nodeinfo](modules/nodeinfo.nix): script which prints info about the node's services

  * [backups](modules/backups.nix): duplicity backups of all your node's important files

  * [operator](modules/operator.nix): configures a non-root user who has access to client tools (e.g. `bitcoin-cli`, `lightning-cli`)

Security

---

See [SECURITY.md](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](https://github.com/Duncaen/OpenDoas) ([sudo alternative](https://lobste.rs/s/efsvqu/heap_based_buffer_overflow_sudo_cve_2021#c_c6fcfa)), 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](pkgs/lib.nix), [RPC whitelisting](modules/bitcoind-rpc-public-whitelist.nix) and [netns-isolation](modules/netns-isolation.nix). There's a non-root user *operator* to interact with the various services.

* **Defense-in-depth:** nix-bitcoin supports a [hardened kernel](https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/profiles/hardened.nix), services are confined through discretionary access control, Linux namespaces, [dbus firewall](modules/security.nix) 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](./SECURITY.md#nix-bitcoin-security-fund) for details.

Developing

---

See [dev/README](./dev/README.md).

Troubleshooting

---

If you are having problems with nix-bitcoin check the [FAQ](docs/faq.md) or submit an issue.\

There's also a Matrix room at [#general:nixbitcoin.org](https://matrix.to/#/#general:nixbitcoin.org).\

We are always happy to help.