coinpeek

Privacy Policy

CoinPeek Last updated: January 2025

Overview

CoinPeek is a browser extension that displays real-time cryptocurrency prices and gas fees. We are committed to protecting your privacy.

Data Collection

We do not collect any personal data.

This extension:

Data Storage

All data is stored locally on your device using Chrome’s Storage API:

This data never leaves your browser and is not transmitted to any server we control.

Third-Party APIs

The extension fetches public data from the following APIs:

Service Purpose Data Sent
CoinGecko Cryptocurrency prices None (public API)
Blocknative Ethereum gas fees None (public API)
mempool.space Bitcoin fees None (public API)
blockchain.info Bitcoin fees (fallback) None (public API)
Blockchair Bitcoin fees (fallback) None (public API)

These are public APIs that do not require authentication. No personal data is sent to these services.

Permissions Explained

Permission Purpose
storage Save cached prices locally for faster loading
alarms Schedule background price updates every minute

We only request permissions that are strictly necessary for the extension to function.

Changes to This Policy

If we make changes to this privacy policy, we will update the “Last updated” date above.

Contact

For questions about this privacy policy, please open an issue on our GitHub repository.

Open Source

This extension is open source. You can review the complete source code on GitHub.