Privacy Policy

Last updated: May 15, 2026

1. Information We Collect

When you sign in with Google, we collect your name, email address, and profile picture. When you use Zignni, we store the artworks, media, technical sheets, and certificates you create.

2. How We Use Your Information

We use your information to:

Authenticate your identity and manage your account
Store and display your artwork documentation
Generate certificates of authenticity
Process NFC TAG purchases and shipping
Improve our services

3. Data Storage

Your data is stored securely using Google Firebase infrastructure. Media files are stored in Firebase Cloud Storage. We do not sell or share your personal data with third parties.

4. NFC Tags & Certificates

Certificate data linked to NFC TAGs is publicly accessible when scanned. This includes the artwork title, year, artist name, technique, and certificate code. This is by design to allow authenticity verification.

5. Your Rights

You may request to:

Access the personal data we hold about you
Correct inaccurate data
Delete your account and associated data

6. Cookies

We use essential cookies for authentication and session management. We do not use advertising or tracking cookies.

7. Changes

We may update this policy from time to time. We will notify you of significant changes via email or a notice on the platform.