> 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/bitcoin-heartbeats.md).

# bitcoin heartbeats

- [Overview](https://docs.bvm.network/bvm/bitcoin-heartbeats/overview.md)
- [Chain heartbeats](https://docs.bvm.network/bvm/bitcoin-heartbeats/chain-heartbeats.md)
- [Key metrics](https://docs.bvm.network/bvm/bitcoin-heartbeats/chain-heartbeats/key-metrics.md)
- [Bitcoin's 5 levels of scalability](https://docs.bvm.network/bvm/bitcoin-heartbeats/chain-heartbeats/bitcoins-5-levels-of-scalability.md)
- [Wallet heartbeats \[WIP\]](https://docs.bvm.network/bvm/bitcoin-heartbeats/wallet-heartbeats-wip.md)
- [Dapp heartbeats \[WIP\]](https://docs.bvm.network/bvm/bitcoin-heartbeats/dapp-heartbeats-wip.md)