> For the complete documentation index, see [llms.txt](https://docs.facet.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facet.org/proof-system-and-bridging.md).

# Proof System & Bridging

- [ZK Fault Proofs](https://docs.facet.org/proof-system-and-bridging/zk-fault-proofs.md)
- [Building Bridges](https://docs.facet.org/proof-system-and-bridging/building-bridges.md)