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

# Overview

- [ExtraChain Node Types](https://docs.extrachain.io/overview/extrachain-node-types.md)
- [Distributed File System](https://docs.extrachain.io/overview/distributed-file-system.md)
- [ExC Store/Reward Economics](https://docs.extrachain.io/overview/store-reward-economy.md)
- [ExDFS Applications](https://docs.extrachain.io/overview/exdfs-applications.md)
- [Comparison Table](https://docs.extrachain.io/overview/comparison-table.md)
- [ExC Store](https://docs.extrachain.io/overview/exc-store.md)
- [ExC Tokens and Automated Exchange](https://docs.extrachain.io/overview/exc-automated-exchange.md)