# Case studies \[WIP]

- [SHARD\_BVM](/bvm/l1-scaling-solutions/case-studies-wip/shard_bvm.md): Write smart contracts and build decentralized applications (dapps) on Bitcoin.
- [Bitcoin Virtual Machine #0](/bvm/l1-scaling-solutions/case-studies-wip/shard_bvm/bitcoin-virtual-machine-0.md)
- [SHARD\_DA \[WIP\]](/bvm/l1-scaling-solutions/case-studies-wip/shard_da-wip.md)
- [SHARD\_AI \[WIP\]](/bvm/l1-scaling-solutions/case-studies-wip/shard_ai-wip.md)