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

# Background Knowledge

- [Multiset Hashes](https://docs.proxima.one/proxima/maru/background-knowledge/multiset-hashes.md)
- [Plonky2](https://docs.proxima.one/proxima/maru/background-knowledge/plonky2.md)