Privacy Policy

Last updated: December 2025

1. Information We Collect

We collect information that you provide directly to us, including:

  • Account Information: Email address, name, and password (hashed)
  • Content: Nodes, edges, comments, and other content you create
  • Usage Data: How you interact with the platform
  • Technical Data: IP address, browser type, device information

2. How We Use Your Information

We use your information to:

  • Provide and maintain our services
  • Authenticate and authorize your access
  • Improve our platform and user experience
  • Send you notifications and updates (you can opt out)
  • Comply with legal obligations

3. Data Sharing

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

  • With your explicit consent
  • To comply with legal obligations
  • To protect our rights and safety
  • With service providers who assist in operating our platform (under strict confidentiality agreements)

4. Your Rights (GDPR)

You have the right to:

  • Access: Request a copy of your personal data
  • Rectification: Correct inaccurate data
  • Erasure: Delete your account and data
  • Portability: Export your data in a machine-readable format
  • Objection: Object to processing of your data
  • Restriction: Request restriction of processing

You can exercise these rights through your Account Settings page or by contacting us.

5. Data Security

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

  • Password hashing using bcrypt
  • HTTPS encryption for data in transit
  • Access controls and authentication
  • Regular security audits

6. Data Retention

We retain your data for as long as your account is active or as needed to provide services. When you delete your account, we anonymize your data within 30 days.

7. Cookies

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

8. Children's Privacy

Our services are not intended for children under 13. We do not knowingly collect personal information from children.

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 policy on this page and updating the "Last updated" date.

10. Contact Us

If you have questions about this privacy policy, please contact us through your account settings or via the platform.