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

# Concepts

- [MEV - Good & Bad](https://docs.cero.network/concepts/mev-good-and-bad.md)
- [Economics Design](https://docs.cero.network/concepts/economics-design.md): Deriving the economics of Cero powered chains
- [Traditional Business Model of Rollups](https://docs.cero.network/concepts/economics-design/traditional-business-model-of-rollups.md)
- [Cero-charged Business Model for Rollups](https://docs.cero.network/concepts/economics-design/cero-charged-business-model-for-rollups.md)
- [Showdown](https://docs.cero.network/concepts/economics-design/showdown.md)
- [Preconfirmations](https://docs.cero.network/concepts/preconfirmations.md)
- [Validation Rules](https://docs.cero.network/concepts/validation-rules.md)
- [Registering Chain](https://docs.cero.network/concepts/registering-chain.md)
