Privacy Policy for Kyst Browser Extension

Last Updated: January 25, 2024

1. Introduction
Kyst is a browser extension that helps you manage your Bluesky bookmarks. This privacy policy explains how we handle your data.

2. Information We Collect
- Authentication Data: We store Bluesky authentication tokens to maintain service reliability and security
- Profile Information: We collect and store basic profile data (like handle and display name) from your Bluesky account
- Bookmarks: We store your Bluesky bookmarks both locally and on our servers for sync purposes
- Settings: We store your extension preferences (like theme settings) locally
- Browser Storage: We use browser's local storage and IndexedDB for storing data
- IP Addresses: We collect and store IP addresses for session management and security

3. How We Use Your Information
- To authenticate you with Bluesky
- To validate your Bluesky account status and prevent unauthorized access
- To ensure continuous and secure access to your bookmarks
- To save your extension preferences
- To provide the core functionality of the extension
- To maintain secure sessions and prevent unauthorized access

4. Data Storage
- Bookmark data is stored both locally in your browser and on our servers
- Profile information is stored both locally and on our servers for account management
- Bluesky authentication tokens are stored on our servers for account validation and security
- Our session tokens are stored in your browser for local authentication
- IP addresses and session data are stored on our servers

5. Third-Party Services
- We interact with Bluesky's API to manage your bookmarks
- We follow Bluesky's API terms of service and privacy policy
- No other third-party services are used

6. Data Security
- All communication with Bluesky's API is encrypted
- Authentication tokens are encrypted on our servers
- We regularly validate account status with Bluesky to maintain security
- We use standard security measures to protect your data
- Local data is protected by your browser's security mechanisms

7. Your Rights
- You can delete all local data by uninstalling the extension
- You can revoke Kyst's access to your Bluesky account at any time through Bluesky's settings
- You control what bookmarks are saved

8. Changes to Privacy Policy
We may update this privacy policy. Any changes will be reflected in the "Last Updated" date.

9. Contact
For privacy concerns, contact us at:
Email: support@kyst.app

This privacy policy is specific to the Kyst browser extension. For the privacy policy of the Kyst website or other services, please visit https://kyst.app/privacy.