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AI Systems Architect · Full-Stack & Native Engineer
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ENGINEERING JOURNAL / AI SYSTEMS · NATIVE APPLE · ARCHITECTURE

NOTES FROM
THE BUILD.

Architecture decisions, local-first AI boundaries, native iOS/macOS engineering trade-offs, and lessons from shipping real software.

User-held device keys and end-to-end encryption separate private data from compromised servers, databases and infrastructure.
Privacy & Security Engineering · · 20 min read

Assume everything is compromised.

If an attacker controls your backend, what can they actually read? Design decisions from ChatZeee and Family OS on content keys, device approval, recovery and trusted clients.

Zero Knowledge Privacy Security Architecture Web Mobile
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