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Please reload this page . bitcoin / bitcoin Public * Notifications You must be signed in to change notification settings * Fork 39.4k * Star 90.1k * Code * Issues 335 * Pull requests 399 * Actions * Projects * Security and quality 0 * Insights Additional navigation options * Code * Issues * Pull requests * Actions * Projects * Security and quality * Insights master Branches Tags Go to file Code Open more actions menu Latest commit   History 50,518 Commits 50,518 Commits Folders and files Name Name Last commit message Last commit date .github .github     .tx .tx     ci ci     cmake cmake     contrib contrib     depends depends     doc doc     share share     src src     test test     .editorconfig .editorconfig     .gitattributes .gitattributes     .gitignore .gitignore     .python-version .python-version     .style.yapf .style.yapf     CMakeLists.txt CMakeLists.txt     CMakePresets.json CMakePresets.json     CONTRIBUTING.md CONTRIBUTING.md     COPYING COPYING     CTestConfig.cmake CTestConfig.cmake     INSTALL.md INSTALL.md     README.md README.md     SECURITY.md SECURITY.md     libbitcoinkernel.pc.in libbitcoinkernel.pc.in     ruff.toml ruff.toml     vcpkg.json vcpkg.json     View all files Repository files navigation * * README * Contributing * MIT license * Security More items Bitcoin Core integration/staging tree https://bitcoincore.org For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/ . What is Bitcoin Core? Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built. Further information about Bitcoin Core is available in the doc folder . License Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/license/MIT . Development Process The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core. The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons. The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md . Testing 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 during the generation of the build system) with: ctest . Further details on running and extending unit tests can be found in /src/test/README.md . There are also regression and integration tests , written in Python. These tests can be run (if the test dependencies are installed) with: build/test/functional/test_runner.py (assuming build is your build directory). The CI (Continuous Integration) systems make sure that every pull request is tested on Windows, Linux, and macOS. The CI must pass on all commits before merge to avoid unrelated CI failures on new pull requests. 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. Translations 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. About Bitcoin Core integration/staging tree bitcoincore.org/en/download Topics bitcoin c-plus-plus cryptocurrency cryptography p2p Resources Readme MIT license Contributing Contributing Security policy Security policy Activity Custom properties Stars 90.1k stars Watchers 4.1k watching Forks 39.4k forks Report repository Releases Used by Contributors Languages Footer (c) 2026 GitHub, Inc. Footer navigation * Terms * Privacy * Security * Status * Community * Docs * Contact * Manage cookies * Do not share my personal information You can’t perform that action at this time.