CoinPeek Last updated: January 2025
CoinPeek is a browser extension that displays real-time cryptocurrency prices and gas fees. We are committed to protecting your privacy.
We do not collect any personal data.
This extension:
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.
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.
| 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.
If we make changes to this privacy policy, we will update the “Last updated” date above.
For questions about this privacy policy, please open an issue on our GitHub repository.
This extension is open source. You can review the complete source code on GitHub.