Bitcoin Core integration/staging tree

License: MIT

Language: C++

Keywords: bitcoin, c-plus-plus, cryptocurrency, cryptography, p2p

Bitcoin Core integration/staging tree

Build Status

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the Bitcoin Core software, see, or read the original whitepaper.


Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see

Development Process

The master branch is regularly built and tested, but is not guaranteed to be completely stable. Tags are created regularly to indicate new official, stable release versions of Bitcoin Core.

The contribution workflow is described in


Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/

There are also regression and integration tests, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: test/functional/

The Travis CI system makes sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.


Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

Translators should also subscribe to the mailing list.

Project Statistics

Sourcerank 11
Repository Size 121 MB
Stars 38,886
Forks 23,410
Watchers 3,522
Open issues 966
Dependencies 0
Contributors 368
Tags 201
Last updated
Last pushed

Top Contributors See all

Wladimir J. van der Laan Pieter Wuille Gavin Andresen MarcoFalke Diapolo Matt Corallo Jonas Schnelli Cory Fields John Newbery Luke Dashjr practicalswift Non-Github User Bitcoin Commits Gregory Maxwell Arran Walker fanquake Suhas Daftuar Alex Morcos Russell Yanofsky Jorge Timón paveljanik

Recent Tags See all

v0.16.2 July 26, 2018
v0.16.2rc2 July 17, 2018
v0.16.2rc1 July 16, 2018
v0.16.1 June 13, 2018
v0.16.1rc2 June 07, 2018
v0.16.1rc1 May 28, 2018
noversion March 07, 2018
v0.16.0 February 22, 2018
v0.16.0rc4 February 15, 2018
v0.16.0rc3 February 08, 2018
v0.16.0rc2 February 02, 2018
v0.16.0rc1 January 30, 2018
v0.15.1 November 09, 2017
v0.15.1rc1 November 04, 2017
v0.15.0.1 September 15, 2017

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