Privacy Policy

Your privacy is important to us. This policy explains how we collect, use, and protect your information.

Last updated: 5/12/2026

Privacy-First Approach

MerchVault is built on SpacetimeDB with privacy and transparency in mind. We collect only the minimum data necessary to provide our services.

Information We Collect

Account Information

  • Wallet address and identity for SpacetimeDB authentication
  • Username and email (if provided)
  • Account balance and transaction history

Usage Data

  • Box opening history and results
  • Fairness verification requests
  • Feature usage and preferences

Payment Information

  • Payment processing through Stripe (we don't store card details)
  • Transaction amounts and status
  • Billing information as required by payment processors

How We Use Your Information

  • Provide and maintain our blind box service
  • Process payments and manage your account balance
  • Generate and verify fairness proofs for box openings
  • Improve our services and user experience
  • Communicate with you about your account and our services
  • Comply with legal obligations

Data Sharing and Disclosure

We do not sell your personal information. We may share your data only in these circumstances:

  • Service Providers: Stripe for payment processing, hosting providers for infrastructure
  • Legal Requirements: When required by law or to protect our rights
  • Business Transfers: In case of merger, acquisition, or sale of assets

Data Security

We implement appropriate technical and organizational measures to protect your data:

  • Encryption in transit and at rest
  • SpacetimeDB's built-in security features
  • Regular security audits and updates
  • Limited access to personal data

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 marketing communications

Cookies and Tracking

We use minimal cookies and tracking:

  • Essential cookies for authentication and session management
  • Preference cookies to remember your settings
  • Analytics cookies to understand usage patterns (opt-in only)

Contact Us

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

  • Email: privacy@merchvault.com
  • Support: support@merchvault.com

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 policy on this page and updating the "Last updated" date. Your continued use of our services after any changes constitutes acceptance of the new policy.