> For the complete documentation index, see [llms.txt](https://docs.0xpass.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.0xpass.io/how-passport-works/in-depth.md).

# In Depth

This section explores the underlying components that make up Passport Protocol in depth exploring all the interactions under the hood, our approach to security, and our long term roadmap on Node operation.

[User Flows and Account Controls](/how-passport-works/in-depth/user-flows-and-account-controls.md)

[Under the Hood](/how-passport-works/in-depth/under-the-hood.md)

[The Halides Model](/how-passport-works/in-depth/the-halides-model.md)

[End-to-End Encryption](/how-passport-works/in-depth/end-to-end-encryption.md)

[Security](/how-passport-works/in-depth/security.md)

[Node Operation](/how-passport-works/in-depth/node-operation.md)