Privacy Policy

Last updated: December 25, 2025

1. Information We Collect

grammstr is built on Nostr, a decentralized protocol. We collect minimal information necessary to provide our services.

1.1 Information You Provide

Account information (username, profile data)
Content you post (photos, videos, text)
Communications with other users

1.2 Automatically Collected Information

Usage data and analytics
Device information
IP address (for security purposes)
Cookie data and tracking information (with your consent)

2. How We Use Your Information

We use the information we collect to:

Provide, maintain, and improve our services
Process transactions and send related information
Send technical notices and support messages
Respond to your comments and questions
Monitor and analyze trends and usage

3. Data Storage

As a decentralized application built on Nostr, your data is stored on distributed relays rather than centralized servers. This means:

Your content is distributed across multiple Nostr relays
No single entity has complete control over your data
You have more control over your privacy

4. Data Sharing

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

With your consent
To comply with legal obligations
To protect our rights and safety
With service providers who assist in operating our services

5. Your Rights

You have the right to:

Access your personal information
Modify or update your information
Delete your account and data
Export your data
Opt-out of certain data collection

6. Data Security

We implement appropriate security measures to protect your information. However, no method of transmission over the internet is 100% secure.

7. Children's Privacy

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

8. Cookies and Analytics

We use cookies and analytics tools to improve your experience and understand how you use our services. These tools help us:

Analyze site usage and performance
Improve our services and user experience
Assist in our marketing efforts

8.1 Analytics Providers

We use the following analytics services:

PostHog: Product analytics and feature flags
Vercel Analytics: Web performance and analytics
OpenPanel: Privacy-focused analytics

These services may collect information such as:

Page views and navigation patterns
Device and browser information
IP addresses (anonymized where possible)
User interactions and events

8.2 Cookie Consent

When you first visit our website, you'll be asked to consent to our use of cookies and analytics. You can:

Accept All: Consent to all cookies and analytics
Reject: Decline non-essential cookies and analytics

Your consent preferences are stored locally in your browser and will be remembered for 60 days. You can change your preferences at any time by clearing your browser's local storage or contacting us.

8.3 Managing Cookies

You can manage or disable cookies through your browser settings. However, disabling cookies may affect the functionality of our services.

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.

10. Contact Us

If you have questions about this privacy policy, please contact us through our contact page.