How your connection is protected

Plain-language explanation of how your iPhone and Centurion brain communicate securely.

Updated July 13, 20261 min read

iPhone and Centurion brain connected by an encrypted tunnel with a padlock — Your device link is encrypted — only your approved iPhone and brain can talk.

Your iPhone and Centurion brain communicate over an encrypted private connection on your network. No one else on your Wi‑Fi can read the messages between them.

In plain language

When you link, your iPhone and brain establish a trusted, encrypted channel
Only devices you approve on the brain can connect
Your conversations travel through this protected link — not through a public website

Technical details

For advanced readers

The device link uses modern encryption including X25519 key exchange and XSalsa20-Poly1305 for message protection. Keys are generated during pairing and stored securely on each device.

Note

This protects the link between your iPhone and brain. Thinking services are a separate layer — see Where your data lives.

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