> For the complete documentation index, see [llms.txt](https://gitbook.d2.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.d2.finance/protocol.md).

# Protocol

- [Architecture](https://gitbook.d2.finance/protocol/architecture.md)
- [Strategies (Strategy Vaults)](https://gitbook.d2.finance/protocol/strategies-strategy-vaults.md)
- [d2Earn](https://gitbook.d2.finance/protocol/d2earn.md)
- [Transparent Reporting](https://gitbook.d2.finance/protocol/transparent-reporting.md)