Privacy Policy for River Checker Last Updated: October 30, 2025

Overview River Checker is a Chrome extension that helps users check Twitter account rankings and statistics on the River platform (formerly Satoshi Protocol). We are committed to protecting your privacy.

Data Collection River Checker collects and stores the following data:

• Last searched username: Stored locally in your browser using Chrome's storage API for convenience. This data never leaves your device.

We do NOT collect:

• Personal information to our servers
• Browsing history
• Analytics or usage statistics
• Any data for sale to third parties

Third-Party Services This extension communicates with:

• River API (api-v2.satoshiprotocol.org) Purpose: Fetch public Twitter account statistics and rankings Data Sent: Twitter usernames (public information) Data Received: Public ranking information, rewards, scores Privacy Policy: https://app.river.inc
• Unavatar.io Purpose: Display user profile images Data Sent: Profile image URLs from River API Privacy Policy: https://unavatar.io
• Twitter/X Integration The extension adds a lookup button on Twitter/X profile pages No data is sent to Twitter/X by this extension Only publicly available profile information is accessed

Data Security

• All data stored by this extension remains on your local device
• Chrome's secure storage API is used