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EngineeringFebruary 6, 2026

Why we built Nova with privacy as a foundation

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Nova Team
ยท 4 min read

When we started building Nova, we faced a fundamental tension: to be truly useful, an AI assistant needs deep access to your digital life. But that access requires trust.

The Trust Problem

Think about what an AI assistant needs to know to be helpful: - Your calendar and schedule - Your emails and messages - Your smart home devices - Your preferences and habits

This is sensitive data. And the track record of tech companies with personal data isn't great.

Our Architecture

We designed Nova's architecture around a simple principle: minimize data exposure.

**Ephemeral Processing**: Your data is processed in memory and never written to disk. Once Nova completes an action, the data is gone.

**Zero-Knowledge Where Possible**: For many integrations, Nova uses delegated authentication. We never see your passwords.

**Local First**: Many operations happen on-device when possible, reducing what needs to travel to our servers.

What We've Built

Here's what's in place today: - AES-256-GCM encryption for all integration tokens - OAuth2 for secure third-party access - Strict Content Security Policy and HSTS headers - No training on your conversations โ€” ever

Your Data, Your Control

You can export all your data anytime. You can delete everything with one click. No retention periods, no gotchas.

This isn't just a feature โ€” it's a promise.

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