> For the complete documentation index, see [llms.txt](https://seb.stanfordblockchain.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://seb.stanfordblockchain.xyz/core-protocol-layer.md).

# Core Protocol Layer

- [Core Protocol Overview](https://seb.stanfordblockchain.xyz/core-protocol-layer/core-protocol-overview.md)
- [Bitcoin Script](https://seb.stanfordblockchain.xyz/core-protocol-layer/bitcoin-script.md)
- [SegWit Upgrade](https://seb.stanfordblockchain.xyz/core-protocol-layer/segwit-upgrade.md): Bitcoin Soft-Fork Introduced in 2017
- [Taproot Upgrade](https://seb.stanfordblockchain.xyz/core-protocol-layer/taproot-upgrade.md): Bitcoin Soft-Fork Introduced in 2021