For People

The power of AI.Your privacy, untouched.

Your messages, your health, your money, your photos. 4Chains lets AI work for you on your data, while it stays encrypted and under your control.

Why It Matters. Today, using AI means giving your data away. It shouldn't.

  • Your data never leaves the dark

    AI works on your data without exposing it: sensitive values are tokenized or kept in-house, so not even the service running it can read what's inside.

  • No master copy to steal

    Because keys are never exposed, there's no readable copy of your life sitting on someone's server.

  • Personal, not surveilled

    Get the personalization you want without trading away your behavior, your identity, or your privacy.

Use Cases

Get the power of AI on your own data, while it stays encrypted and under your control.

Private AI Assistant

Ask AI about your messages, calendar, and files, without sending any of it out in the clear.

Your Data Stays Yours

Health, finance, and identity data stay protected, exposed to neither the apps nor the AI that use it.

Private Recommendations

Get personalized results and recommendations without handing your behavior to a platform.

Confidential by Default

Documents, photos, and conversations stay confidential. Usable, but never exposed.

On-Device Meets Cloud

The privacy of on-device AI with the power of the cloud, with no exposure in between.

No Key, No Leak

Because keys are never exposed, there is no master copy of your data to lose or steal.

Get in touch

Be first to use AI that can't see your data.

We're bringing privacy-preserving AI to people. Join the early access list.

Email: contact@4chains.site

Join the waitlist

We usually reply within one business day. In a hurry, email contact@4chains.site.

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