# 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)


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.