# Privacy Policy for CryptoBlock Extension

**Last updated:** September 6, 2025

## Overview
CryptoBlock is a browser extension that hides crypto-related content (tweets, profiles, and search results) on X (formerly Twitter). This privacy policy explains how we handle your data.

## Data Collection
**We do not collect, store, or transmit any personal information.**

## What We Do
- **Filter crypto-related content on X/Twitter** by analyzing page content locally
- **No data collection** - we don't track your browsing history
- **No personal information** is stored or transmitted
- **No analytics** or user behavior tracking
- **No external servers** - all processing happens locally in your browser

## What We Don't Do
- Collect personal information
- Track your browsing history
- Send data to external servers
- Use cookies or tracking technologies
- Share data with third parties

## Technical Details
- The extension operates entirely **client-side**
- **No network requests** are made to external servers (aside from loading the bundled blocklist from within the extension)
- **No data logging** or storage mechanisms beyond browser storage for your preferences
- Filtering rules are applied **locally** in your browser's content script

## Permissions Required
- **Host permissions (twitter.com, x.com)**: Required to filter page content
- **Storage**: Used only to save your personal blocking preferences locally

## Updates
This privacy policy may be updated occasionally. Check this file for the latest version.

## Contact
If you have questions about this privacy policy, please open an issue on our GitHub repository.

## Compliance
This extension complies with:
- Chrome Web Store policies
- GDPR requirements (no personal data collection)
- CCPA requirements (no personal data collection)
- General privacy best practices