> For the complete documentation index, see [llms.txt](https://qualitax.gitbook.io/interop/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://qualitax.gitbook.io/interop/bridging-approaches/mechanisms.md).

# Mechanisms

- [Hash Locking](https://qualitax.gitbook.io/interop/bridging-approaches/mechanisms/hash-locking.md)
- [Notary Schemes](https://qualitax.gitbook.io/interop/bridging-approaches/mechanisms/notary-schemes.md)
- [Proof Aggregation](https://qualitax.gitbook.io/interop/bridging-approaches/mechanisms/proof-aggregation.md)