# Protocols

- [brc-20](/layer1-foundation/protocols/brc-20.md): BRC-20 is the inaugural standard of the foundation
- [Documentation](/layer1-foundation/protocols/brc-20/documentation.md): Latest brc-20 documentation
- [Indexing](/layer1-foundation/protocols/brc-20/indexing.md): In addition to usage rules there are a number of indexing rules
- [Proposals](/layer1-foundation/protocols/brc-20/proposals.md): brc-20 improvement proposals
- [BRC20 IP1: Issuance and Burn Enhancements](/layer1-foundation/protocols/brc-20/proposals/brc20-ip1-issuance-and-burn-enhancements.md): The first proposal of the maintainership era.
- [Implementations](/layer1-foundation/protocols/brc-20/implementations.md): brc-20 indexing implementations