Privacy Policy
Last updated: January 27, 2026
1. Introduction
zkRune ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our mobile application and web services.
2. Zero-Knowledge Architecture
zkRune is designed with privacy as a core principle. Our zero-knowledge proof system operates entirely on your device:
- All ZK proofs are generated 100% client-side (in your browser or app)
- Your private data (birthdates, balances, credentials) never leaves your device
- We cannot see, access, or store your sensitive information
- Proofs are cryptographically verified without revealing underlying data
3. Information We Collect
3.1 Information We DO NOT Collect
- Private keys or wallet seed phrases
- Personal identification documents
- Birthdates or ages used in proofs
- Account balances or transaction amounts
- Voting choices or credentials
3.2 Information We May Collect
- Public Wallet Addresses: When you connect a wallet (optional)
- Usage Analytics: Anonymous app usage statistics
- Device Information: Device type, OS version for compatibility
- Crash Reports: Anonymous error reports to improve stability
4. How We Use Information
Any information collected is used solely to:
- Provide and improve our services
- Fix bugs and improve app performance
- Communicate important updates (if you opt-in)
- Comply with legal requirements
5. Data Storage & Security
- Sensitive data is stored only on your device using secure storage
- We use industry-standard encryption for any data transmission
- No sensitive data is stored on our servers
- You can delete all local data by uninstalling the app
6. Third-Party Services
We may use third-party services that have their own privacy policies:
- Solana Network: Blockchain transactions are public
- Helius RPC: For Solana network connectivity
- Expo: For app updates and notifications
7. Your Rights
You have the right to:
- Access any personal data we hold about you
- Request deletion of your data
- Opt-out of analytics collection
- Export your data
8. Children's Privacy
Our services are not intended for children under 13. We do not knowingly collect information from children under 13.
9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
10. Contact Us
If you have any questions about this Privacy Policy, please contact us: