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

# Buying options

- [With Waves](https://docs.sign-web.app/buying-options/with-waves.md)
- [With FIAT](https://docs.sign-web.app/buying-options/with-fiat.md)
- [With USDN](https://docs.sign-web.app/buying-options/with-usdn.md)