> For the complete documentation index, see [llms.txt](https://cardano-wiki.gitbook.io/cardano/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions.md).

# Layer 2 Solutions

- [Sidechains](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions/sidechains.md)
- [Easy Addition of New features](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions/sidechains/easy-addition-of-new-features.md)
- [Scalability](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions/sidechains/scalability.md)
- [Hydra](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions/hydra.md)
- [Mithril](https://cardano-wiki.gitbook.io/cardano/scalability/scalability-contents/layer-2-solutions/mithril.md)