> For the complete documentation index, see [llms.txt](https://docs.bvm.network/bvm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bvm.network/bvm/l3-scaling-solutions.md).

# l3 scaling solutions

- [What are Bitcoin appchains?](https://docs.bvm.network/bvm/l3-scaling-solutions/what-are-bitcoin-appchains.md)
- [Rollups from appchains to L2s](https://docs.bvm.network/bvm/l3-scaling-solutions/rollups-from-appchains-to-l2s.md)