> For the complete documentation index, see [llms.txt](https://docs.openstamp.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openstamp.io/introduction.md).

# Introduction

- [BTC STAMPS](https://docs.openstamp.io/introduction/btc-stamps.md): BTC Stamps protocol specification
- [OLGA(Octet Linked Graphics & Artifacts)](https://docs.openstamp.io/introduction/olga-octet-linked-graphics-and-artifacts.md): Bitcoin Stamps Improvement Proposal: Octet Linked Graphics & Artifacts (OLGA)
- [Key Burn](https://docs.openstamp.io/introduction/key-burn.md): Key Burn is a new technique introduced to address concerns with the spendable outputs that encode the art of a Bitcoin Stamps.
- [SRC20 Protocol](https://docs.openstamp.io/introduction/src20-protocol.md)
- [SRC20 on Bitcoin](https://docs.openstamp.io/introduction/src20-protocol/src20-on-bitcoin.md): BTC Stamp fungible token protocol - SRC20 specification
- [SRC20 on Fractal](https://docs.openstamp.io/introduction/src20-protocol/src20-on-fractal.md): SRC20 protocol on Fractal
- [SRC721 Protocol](https://docs.openstamp.io/introduction/src721-protocol.md): SRC 721 Specification Designed by Derp & OpenStamp
- [RGB++ Protocol](https://docs.openstamp.io/introduction/rgb++-protocol.md): RGB++ Protocol
- [RGB++ Light Paper(EN)](https://docs.openstamp.io/introduction/rgb++-protocol/rgb++-light-paper-en.md): RGB++ Protocol Light Paper (EN)
- [RGB++ Light Paper(CN)](https://docs.openstamp.io/introduction/rgb++-protocol/rgb++-light-paper-cn.md): RGB++ Protocol 白皮书
- [RGB++ Specification(CN)](https://docs.openstamp.io/introduction/rgb++-protocol/rgb++-specification-cn.md): RGB++合约规范