> For the complete documentation index, see [llms.txt](https://docs.handle.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.handle.fi/chinese/protocol-specs.md).

# protocol SPECS

- [contracts](https://docs.handle.fi/chinese/protocol-specs/contracts.md): an overview of the main handle contracts & addresses
- [oracles](https://docs.handle.fi/chinese/protocol-specs/oracles.md): an overview of oracles used on handle.fi
- [subgraph](https://docs.handle.fi/chinese/protocol-specs/subgraph.md): indexed data on the handle.fi ecosystem