Privacy Policy
Last updated: February 2026
1. Information We Collect
We collect the following information when you use StampSwap:
- Account information: Display name, email address, state of residence
- Listing information: Item details, photos, pricing, descriptions
- Serial numbers: Encrypted and stored securely, never displayed publicly
- Messages: Communications between buyers and sellers
- Usage data: Pages visited, features used, device information
2. How We Use Your Information
- To provide and improve the StampSwap platform
- To facilitate communication between buyers and sellers
- To send transactional notifications (messages, offers, status updates)
- To enforce our Terms of Service and moderate content
- To detect and prevent fraud
3. Serial Number Protection
We understand the sensitivity of NFA serial numbers. Serial numbers are:
- Encrypted at rest in our database
- Never displayed publicly in listing pages or search results
- Only accessible to the buyer through secure messaging after both parties agree to transact
- Never shared with third parties except as required by law
4. Information Sharing
We do NOT sell your personal information. We may share information with:
- Other users: Your public profile (display name, state, reputation) is visible to other users
- Service providers: Supabase (hosting/database), Vercel (hosting), Stripe (platform payments), Resend (email)
- Law enforcement: When required by valid legal process
5. Data Security
We use industry-standard security measures including encryption at rest and in transit, row-level security policies, and secure authentication through Supabase Auth.
6. Your Rights
You have the right to:
- Access your personal data
- Request deletion of your account and associated data
- Update your profile information
- Opt out of marketing emails
7. Cookies
We use essential cookies for authentication and session management. We use PostHog for analytics to understand how users interact with the platform.
8. Contact
For privacy-related questions or requests, contact us at privacy@stampswap.com.