> For the complete documentation index, see [llms.txt](https://ssi-did-directory.gitbook.io/open-directory-for-all/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ssi-did-directory.gitbook.io/open-directory-for-all/blockchains-and-projects/bitcoin.md).

# BITCOIN

- [ION](https://ssi-did-directory.gitbook.io/open-directory-for-all/blockchains-and-projects/bitcoin/ion.md): https://identity.foundation/ion/
- [Installation Guide](https://ssi-did-directory.gitbook.io/open-directory-for-all/blockchains-and-projects/bitcoin/ion/installation-guide.md)
- [Community](https://ssi-did-directory.gitbook.io/open-directory-for-all/blockchains-and-projects/bitcoin/ion/community.md)