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

# Reference

<https://www.ussc.gov/sites/default/files/pdf/training/annual-national-training-seminar/2018/Emerging\\_Tech\\_Bitcoin\\_Crypto.pdf>