Privacy Policy - QryptChat

🔒 Data Collection

QryptChat follows a zero-knowledge architecture. We collect minimal data necessary for service operation:

Phone Number: Used for authentication and account verification
Device Information: Basic device metadata for security purposes
Usage Analytics: Anonymous usage statistics to improve our service

We do NOT collect: Message content, contact lists, or personal conversations.

🛡️ Data Protection

Your data is protected using industry-leading security measures:

End-to-end encryption for all messages
Post-quantum cryptographic algorithms
No server-side message storage
Regular security audits and penetration testing

📱 Message Privacy

Your messages are completely private:

Messages are encrypted on your device before transmission
Only you and the recipient can decrypt messages
Messages are automatically deleted from our servers after delivery
Perfect forward secrecy ensures past messages remain secure

🍪 Cookies and Tracking

We use minimal cookies and tracking:

Essential cookies for authentication and session management
No third-party advertising cookies
No cross-site tracking
Anonymous analytics to improve user experience

🌍 Data Sharing

We do not sell, rent, or share your personal data with third parties, except:

When required by law or legal process
To protect our rights, property, or safety
With your explicit consent

⚖️ Your Rights

You have the right to:

Access your personal data
Correct inaccurate information
Delete your account and associated data
Export your data
Opt-out of non-essential communications

📧 Contact Us

If you have questions about this Privacy Policy, please contact us:

Email: privacy@qrypt.chat
Address: Profullstack, Inc.