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

# Concepts

- [Sudo Digital Identities](https://docs.sudoplatform.com/concepts/sudo-digital-identities.md): A secure digital identity for a connected world