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Inside Bitcoin

The code behind the network, with room to understand it.

Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server340 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

1The MIT License (MIT)

6Permission is hereby granted, free of charge, to any person obtaining a copy

7of this software and associated documentation files (the "Software"), to deal

8in the Software without restriction, including without limitation the rights

9to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

10copies of the Software, and to permit persons to whom the Software is

11furnished to do so, subject to the following conditions:

13The above copyright notice and this permission notice shall be included in

14all copies or substantial portions of the Software.

16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

19AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

20LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

21OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

22THE SOFTWARE.

Permission to study and share the source

This is the upstream license text, preserved verbatim in the source panel. The following is a reading guide, not a replacement license.

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Retain the notices

Keep the upstream copyright notices and permission notice with copies or substantial portions of the software. Individual bundled components may have additional notices in their own directories.

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Broad reuse permission

The MIT terms grant broad rights to use, copy, modify and distribute the software, subject to the stated notice requirement.

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No warranty

The license provides the software as is and disclaims warranties and liability as specified in its text. Read the original wording in the source panel.

Independent explanations by MyBitcoinExplorer. Not affiliated with or endorsed by Bitcoin Core. Guides are educational and do not replace the source or its tests.

Bitcoin Core source © its contributors, distributed under the MIT license. Original notices and bundled third-party licenses are retained in the source tree.