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

# User Guides

- [Crypto Handle & Custom Domain Setup](https://docs.iopay.me/user-guides/crypto-handle-and-custom-domain-setup.md): Crypto Handles and Custom Domains are single identifiers that eliminate the need to see, or even know about, blockchain public wallet addresses.