> For the complete documentation index, see [llms.txt](https://guides.regen.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.regen.network/technical-documentation/core-concepts.md).

# Core Concepts

- [Regen Ledger](https://guides.regen.network/technical-documentation/core-concepts/regen-ledger.md)
- [Metadata](https://guides.regen.network/technical-documentation/core-concepts/metadata.md)