Privacy Policy

1. Introduction

ZkVanguard is committed to protecting your privacy. This policy explains how we handle your data when you use our decentralized portfolio management platform. We comply with GDPR, CCPA, and other applicable privacy regulations.

2. Data We Collect

With Your Consent (Optional Analytics):

• Page Views: Which pages you visit (no IP addresses stored)
• Feature Usage: Aggregated data on which features are used
• Session Data: Anonymous session identifiers (not linked to identity)
• Error Logs: Technical errors to help us improve the platform

Necessary for Platform Operation:

• Wallet Address: Your public blockchain address when you connect your wallet
• Transaction Data: On-chain transaction history for portfolio analysis

We do NOT collect: Names, emails, phone numbers, IP addresses, precise location, or any personally identifiable information (PII).

3. Zero-Knowledge Privacy

ZkVanguard uses ZK-STARK technology to ensure:

• Your portfolio positions remain private
• Transaction amounts are never revealed publicly
• AI agent recommendations are computed without exposing your holdings
• All proofs are verified on-chain without revealing sensitive data

4. Data Storage & Retention

On-Chain Data: Stored permanently on the blockchain (publicly accessible by design).

Analytics Data: Stored in our database for 90 days, then automatically deleted. This data is anonymized and cannot be linked to your identity.

Preferences: Stored locally in your browser. We do not have access to this data.

5. Cookies & Tracking

We use the following types of cookies:

• Necessary: Required for wallet connection and session management
• Analytics (Optional): Help us understand how the platform is used
• Preferences (Optional): Remember your settings like theme and layout

You can manage your cookie preferences at any time using the cookie banner or by clearing your browser data.

6. Third-Party Services

We integrate with:

• WalletConnect/Reown: For secure wallet connections
• Cronos Network: For blockchain interactions
• SUI Network: For multi-chain functionality
• Crypto.com AI SDK: For portfolio analysis (optional)
• Neon Database: For anonymized analytics storage

Each third-party service has its own privacy policy. We only share the minimum data necessary for functionality.

7. Your Rights (GDPR/CCPA)

You have the right to:

• Access: Request a copy of data we have about you
• Rectification: Correct inaccurate data
• Erasure: Request deletion of your data (except on-chain data)
• Portability: Export your data in a standard format
• Objection: Opt out of analytics at any time via cookie settings
• Withdraw Consent: Change your cookie preferences anytime

8. Data Security

We implement industry-standard security measures including:

• HTTPS encryption for all data in transit
• Database encryption at rest
• Regular security audits
• Access controls and monitoring

9. International Transfers

Our services are hosted in the United States and European Union. If you are located outside these regions, your data may be transferred internationally. We ensure appropriate safeguards are in place for such transfers.

10. Contact & Data Protection Officer

For privacy concerns or data requests, contact us at: privacy@zkvanguard.io

Response time: Within 30 days for GDPR/CCPA requests.

11. Changes to This Policy

We may update this policy periodically. Significant changes will be notified via the platform. Continued use after changes constitutes acceptance.