# Stanford Encyclopedia of Bitcoin

## Stanford Encyclopedia of Bitcoin

- [About](https://seb.stanfordblockchain.xyz/about.md): Welcome to the Stanford Encyclopedia of Bitcoin!
- [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
- [Meta-Protocols Overview](https://seb.stanfordblockchain.xyz/meta-protocols/meta-protocols-overview.md)
- [Ordinals](https://seb.stanfordblockchain.xyz/meta-protocols/ordinals.md): Inscribing Digital Artifacts on Bitcoin
- [BRC-20](https://seb.stanfordblockchain.xyz/meta-protocols/brc-20.md): Technical Standard for Fungible Ordinals on the Bitcoin Blockchain
- [Sats Name Service](https://seb.stanfordblockchain.xyz/meta-protocols/sats-name-service.md)
- [Extensibility Layer Overview](https://seb.stanfordblockchain.xyz/extensibility-layer/extensibility-layer-overview.md)
- [Lightning Network](https://seb.stanfordblockchain.xyz/extensibility-layer/lightning-network.md)
- [Smart Contract Protocols](https://seb.stanfordblockchain.xyz/extensibility-layer/smart-contract-protocols.md)
- [Bitcoin Rollups](https://seb.stanfordblockchain.xyz/extensibility-layer/bitcoin-rollups.md)