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

# USDD WhitePaper

For details, please refer to: <https://usdd.io/USDD-en.pdf>.&#x20;
