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

# Sources

* World Gold Council - <https://gold.org/>
* Paxos - <https://paxos.com/>
* Tether - <https://tether.to>