---
# This file is licensed under the MIT License (MIT) available on
# http://opensource.org/licenses/MIT.

layout: base
id: development
---
<!-- Note: this file is built non-deterministically -->
<h1>{% translate pagetitle %}</h1>
<p class="summary">{% translate summary %}</p>

<h2 id="spec">{% translate spec %}</h2>
<p>{% translate spectxt %}</p>

<h2 id="coredev">{% translate coredev %}</h2>

<p>{% translate inventor %}</p>

<div class="listtable coredevtable">
  <div><div>Wladimir J. van der Laan</div><div><a href="mailto:laanwj@gmail.com">laanwj@gmail.com</a></div><div><a href="/laanwj.asc">PGP</a></div></div>
  <div><div>Gavin Andresen</div><div><a href="mailto:gavinandresen@gmail.com">gavinandresen@gmail.com</a></div><div><a href="/gavinandresen.asc">PGP</a></div></div>
  <div><div>Jeff Garzik</div><div><a href="mailto:jgarzik@bitpay.com">jgarzik@bitpay.com</a></div><div><a href="/jgarzik-bitpay.asc">PGP</a></div></div>
  <div><div>Gregory Maxwell</div><div><a href="mailto:greg@xiph.org">greg@xiph.org</a></div><div><a href="/gmaxwell.asc">PGP</a></div></div>
  <div><div>Pieter Wuille</div><div><a href="mailto:pieter.wuille@gmail.com">pieter.wuille@gmail.com</a></div><div><a href="/pieterwuille.asc">PGP</a></div></div>
</div>

<h2 id="disclosure">{% translate disclosure %}</h2>
<p><a href="mailto:bitcoin-security@lists.sourceforge.net">bitcoin-security@lists.sourceforge.net</a></p>
<p>{% translate disclosuretxt %}</p>

<h2 id="involve">{% translate involve %}</h2>
<p>{% translate involvetxt1 %}</p>
<p>{% translate involvetxt2 %}</p>
<div id="chatbox" class="chatbox"></div>

<h2 id="more">{% translate more %}</h2>

<p>{% translate morechoose %}</p>

<ul class="devprojectlist">
  <li><a href="https://github.com/etotheipi/BitcoinArmory">Armory</a> - A wallet with enhanced security features.</li>
  <li><a href="http://bfgminer.com">BFGMiner</a> - A modular miner.</li>
  <li><a href="https://en.bitcoin.it/wiki/Bitcoin_Explorer">Bitcoin Explorer</a> - A command line tool, built on libbitcoin.</li>
  <li><a href="https://en.bitcoin.it/wiki/Bitcoin_Server">Bitcoin Server</a> - A full node and query server, built on libbitcoin.</li>
  <li><a href="https://github.com/schildbach/bitcoin-wallet">Bitcoin Wallet</a> - A SPV wallet for Android and Blackberry.</li>
  <li><a href="https://bitcoinj.github.io">bitcoinj</a> - A library for SPV wallets, written in Java.</li>
  <li><a href="https://github.com/btcsuite/btcd">btcd</a> - A full node, written in Go.</li>
  <li><a href="https://github.com/btcsuite/btcwallet">btcwallet</a> - A hierarchical deterministic wallet daemon, written in Go.</li>
  <li><a href="https://electrum.org">Electrum</a> - A fast server-trusting wallet.</li>
  <li><a href="https://github.com/luke-jr/eloipool">Eloipool</a> - A fast mining pool server application, written in Python.</li>
  <li><a href="https://github.com/hivewallet">Hive</a> - A fast user-friendly SPV wallet.</li>
  <li><a href="https://en.bitcoin.it/wiki/Libbitcoin">Libbitcoin</a> - A cross-platform development toolkit, written in C++.</li>
  <li><a href="https://gitlab.com/bitcoin/libblkmaker">Libblkmaker</a> - A client library for the getblocktemplate mining protocol, written in C.</li>
  <li><a href="https://multibit.org">MultiBit HD</a> - An international SPV wallet for desktops.</li>
  <li><a href="https://github.com/NicolasDorier/NBitcoin">NBitcoin</a> - A cross-platform library, written in C#.</li>
  <li><a href="https://github.com/jgarzik/picocoin">picocoin</a> - A tiny library with lightweight client and utilities, written in C.</li>
  <li><a href="https://github.com/petertodd/python-bitcoinlib">python-bitcoinlib</a> - A library for structures and protocols, written in Python.</li>
  <li><a href="https://gitlab.com/bitcoin/python-blkmaker">Python Blkmaker</a> - A client library for the getblocktemplate mining protocol, written in Python.</li>
  <li class="more"><a onclick="librariesShow(event)" class="link-js">{% translate moremore %}</a></li>
</ul>

<section id="devcommunities">
  <h2 id="dev-communities">{% translate devcommunities %}</h2>
  <p>{% translate devcommunitiesintro %}</p>

  <ul>
    <li>{% translate ircjoin %}</li>
    <li>{% translate stackexchange %}</li>
    <li>{% translate bitcointalkdev %}</li>
  </ul>
</section>

<section id="contributors">
  <h2 id="bitcoin-core-contributors">{% translate contributors %}</h2>
  <p>{% translate contributorsorder %}</p>
  <div class="contributors">
    {% for c in site.corecontributors %}
    <div>
      <div>{% if c.avatar_url %}<img src="{{c.avatar_url}}" alt="icon" />{% else %}<img alt="icon" />{% endif %}</div>
      <div><a{% if c.login %} href="https://github.com/{{c.login}}"{% endif %}>{{ c.name | htmlescape }}</a></div>
      <div>({{ c.contributions }})</div>
    </div>
    {% endfor %}
  </div>
</section>