> 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.md).

# How Passport Works

- [Overview](https://docs.0xpass.io/how-passport-works/overview.md)
- [Background](https://docs.0xpass.io/how-passport-works/background.md)
- [Threshold Cryptography](https://docs.0xpass.io/how-passport-works/background/threshold-cryptography.md)
- [Secure Multi-Party Computation](https://docs.0xpass.io/how-passport-works/background/secure-multi-party-computation.md)
- [Distributed Architecture](https://docs.0xpass.io/how-passport-works/background/distributed-architecture.md)
- [Secure Enclaves](https://docs.0xpass.io/how-passport-works/background/secure-enclaves.md)
- [In Depth](https://docs.0xpass.io/how-passport-works/in-depth.md): Learn more about how Passport Protocol works, in depth.
- [Under the Hood](https://docs.0xpass.io/how-passport-works/in-depth/under-the-hood.md)
- [User Flows and Account Controls](https://docs.0xpass.io/how-passport-works/in-depth/user-flows-and-account-controls.md)
- [The Halides Model](https://docs.0xpass.io/how-passport-works/in-depth/the-halides-model.md)
- [End-to-End Encryption](https://docs.0xpass.io/how-passport-works/in-depth/end-to-end-encryption.md)
- [Security](https://docs.0xpass.io/how-passport-works/in-depth/security.md)
- [Node Operation](https://docs.0xpass.io/how-passport-works/in-depth/node-operation.md)