> For the complete documentation index, see [llms.txt](https://black-paper.rgb.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://black-paper.rgb.tech/general-information/2.-protocol-design.md).

# 2. Protocol design

RGB is a suite of protocols for scalable & confidential smart contracts for Bitcoin & Lightning Network. It embraces the concepts of private & mutual ownership, abstraction and separation of concerns and represents "post-blockchain", Turing-complete form of trustless distributed computing which does not require introduction of "tokens".