🌟 Privacy Policy
Last Updated: November 17, 2025
BlockStar Browser ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use BlockStar Browser (the "Browser").
Privacy-First Approach: BlockStar Browser is designed with privacy as a core principle. All sensitive data is stored locally on your device and encrypted with your passwords. We do not operate servers that collect or store your personal information.
1. Information We Collect
1.1 Local Data Storage
The following data is stored locally on your device and is never transmitted to our servers:
- Wallet Data: Private keys, seed phrases, wallet addresses, and transaction history (encrypted with your password)
- Passwords: Website login credentials saved through the password manager (encrypted)
- Browsing Data: Bookmarks, favorites, browsing history, and cookies
- dApp Connections: Permissions granted to decentralized applications
- User Preferences: Settings, themes, and customization options
- Screenshots & Recordings: Screen captures and recordings you create (stored locally)
1.2 Data We Do NOT Collect
- We do not collect your browsing history
- We do not track your online activities
- We do not have access to your wallet private keys or seed phrases
- We do not sell your data to third parties
2. How We Use Your Information
2.1 Local Processing
All data processing occurs locally on your device:
- Wallet Operations: Signing transactions, managing accounts, and interacting with blockchain networks
- Password Management: Auto-filling login credentials and managing saved passwords
- Browsing Enhancement: Providing bookmarks, history, and personalized settings
- Privacy Protection: Blocking trackers, managing cookies, and protecting against phishing
2.2 Third-Party Services
BlockStar Browser may interact with external services at your direction:
- Blockchain Networks: When you perform transactions, data is sent to blockchain nodes (Ethereum, BlockStar Chain, etc.)
- AI Features: AI-powered search may send queries to BlockStar DAISI API
- dApps: When you connect to decentralized applications, they may collect data according to their own privacy policies
- Hardware Wallets: Ledger device integration communicates directly with your hardware wallet
3. Data Security
3.1 Encryption
We employ industry-standard encryption practices:
- All wallet data is encrypted using AES-256-CBC encryption with your password
- Passwords are encrypted before being stored locally
- Private keys never leave your device in unencrypted form
3.2 Your Responsibility
You are responsible for:
- Keeping your wallet password secure
- Backing up your seed phrase in a secure location
- Not sharing your private keys with anyone
- Securing your device with appropriate passwords and security measures
4. Cookies and Tracking
4.1 Website Cookies
BlockStar Browser allows websites to set cookies for functionality. You have full control over cookies:
- View and delete cookies at any time
- Block cookies for specific domains
- Clear all cookies through browser settings
4.2 Tracking Protection
Our built-in tracking protection blocks known tracking domains, including analytics and advertising trackers. You can enable or disable this feature in settings.
5. Blockchain Transactions
When you perform blockchain transactions:
- Transaction data is publicly recorded on the blockchain (this is inherent to blockchain technology)
- Your wallet address may be visible to others
- Transaction history can be viewed on public blockchain explorers
- We recommend using different addresses for different purposes to enhance privacy
6. Screenshots and Screen Recording
Screen capture features:
- All screenshots and recordings are stored locally on your device
- No screenshots or recordings are uploaded to our servers
- You have complete control over what you capture and where you save it
7. Children's Privacy
BlockStar Browser is not intended for use by children under the age of 13. We do not knowingly collect information from children under 13. If you believe a child has provided us with personal information, please contact us.
8. International Users
BlockStar Browser can be used globally. Your data is stored locally on your device regardless of your location. When you interact with blockchain networks, you are subject to the global, decentralized nature of blockchain technology.
9. Data Retention and Deletion
You have complete control over your data:
- Delete browsing history, cookies, and cache at any time
- Remove saved passwords individually or all at once
- Uninstall the browser to remove all local data
- Export your wallet data before deletion if you wish to restore it later
10. Third-Party Links
BlockStar Browser may display links to external websites and services. We are not responsible for the privacy practices of these third-party sites. We encourage you to review their privacy policies.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Posting the new Privacy Policy in the browser
- Updating the "Last Updated" date at the top of this policy
- Providing an in-app notification for significant changes
12. Your Rights
You have the right to:
- Access all data stored locally by the browser
- Delete any or all data at any time
- Export your wallet data and settings
- Opt-out of any optional features that involve data processing
13. Security Recommendations
Best Practices:
- Use a strong, unique password for your wallet
- Enable two-factor authentication where available
- Keep your seed phrase in a secure, offline location
- Regularly back up your wallet data
- Keep your operating system and browser updated
- Be cautious of phishing attempts and suspicious websites
14. Contact Us
By using BlockStar Browser, you acknowledge that you have read and understood this Privacy Policy and agree to its terms.