Privacy Policy

Introduction

This Privacy Policy describes how Heatmap Chrome Extension ("we", "our", or "the extension") handles your information. We are committed to protecting your privacy and being transparent about our practices.

What Information We Access

1. Local Browser Storage

• Purpose: To cache cryptocurrency data for offline use
• Data stored: Cryptocurrency prices, symbols, and settings
• Location: Only in your browser's local storage
• Transmission: Never sent to external servers

2. External API Requests

• Bybit API: We fetch public cryptocurrency data from Bybit's public API
• Data retrieved: Only public market data (prices, volumes)
• No personal data: API requests contain no user identifiers
• Rate limiting: We respect API limits to ensure fair usage

3. Extension Permissions

• Storage permission: Required to save your settings locally
• Host permission (api.bybit.com): Required to fetch market data
• No other permissions: We don't request access to bookmarks, history, or personal data

What We DO NOT Collect

• ❌ Personal identification information
• ❌ Email addresses or contact details
• ❌ Browser history or bookmarks
• ❌ Location data
• ❌ IP addresses (API requests are made directly from your browser)
• ❌ Usage analytics or tracking data
• ❌ Financial information or wallet addresses

Data Flow Diagram

Third-Party Services

Bybit API

We use Bybit's public API to fetch cryptocurrency data. By using this extension, you acknowledge that:

• Data is provided by Bybit according to their terms
• We have no control over Bybit's data collection practices
• You should review Bybit's privacy policy: https://www.bybit.com/en-US/privacy-policy

No other third-party services are used by this extension.

Your Rights and Controls

Data Control

You have complete control over your data:

• Clear cache: Use the "Clear Cache" button in Debug Panel
• Remove extension: Uninstalling removes all local data
• Export data: Use "Export Data" feature to download your cache

Browser Controls

You can also manage extension data through Chrome's settings:

• chrome://extensions → Heatmap → Details → "Remove data"
• Browser settings → Privacy and security → Clear browsing data → "Cached data"

Security

While we don't collect personal data, we implement security measures:

• All data stays in your browser's sandbox
• No external data transmission (except public API calls)
• Regular security reviews of our code
• Open-source code for transparency

Children's Privacy

This extension is not intended for children under 13 years of age. We do not knowingly collect any personal information from children under 13.

Changes to This Policy

We may update this privacy policy from time to time. When we do, we will:

• Update the "Last Updated" date below
• Notify users through the extension's update notes
• Post the updated policy on our GitHub repository

Your continued use of the extension after changes constitutes acceptance of the updated policy.

Legal Compliance

This extension is designed to comply with:

• Chrome Web Store Developer Program Policies
• General Data Protection Regulation (GDPR) principles
• California Consumer Privacy Act (CCPA) requirements
• Children's Online Privacy Protection Act (COPPA)