DoxScreener Privacy Policy

Last updated: July 6, 2025

1. Introduction

DoxScreener ("we", "our", or "us") is a Chrome extension that enhances DexScreener by adding username functionality. This privacy policy explains how we collect, use, and protect your information when you use our extension.

2. Information We Collect

Our extension collects and processes the following information:

• Wallet Addresses: When you connect your wallet, we collect your Ethereum/Avalanche wallet address to verify NFT ownership and token balances
• Blockchain Data: We query public blockchain data to verify NFT ownership and FROST token holdings
• Usage Data: We may collect anonymous usage statistics to improve the extension

3. How We Use Your Information

We use the collected information for the following purposes:

• Access Control: Verify NFT ownership or FROST token holdings (≥10M tokens) to grant access to extension features
• Username Lookup: Resolve wallet addresses to Twitter usernames for display on DexScreener
• Caching: Store username mappings locally in your browser for improved performance
• API Calls: Make requests to our lookup service to resolve wallet addresses to usernames

4. Data Storage and Retention

• Local Storage: Username mappings are cached locally in your browser using Chrome's storage API
• No Server Storage: We do not store your wallet address or personal information on our servers
• Blockchain Queries: All blockchain data is queried from public networks (Avalanche C-Chain)

5. Third-Party Services

Our extension interacts with the following third-party services:

• Avalanche Network: For querying NFT ownership and token balances via public RPC endpoints
• DexScreener: The extension modifies content on DexScreener pages
• Lookup API: Our service (dox-api.replit.app) for resolving wallet addresses to usernames
• MetaMask: For wallet connection functionality

6. Data Security

We implement appropriate security measures to protect your information:

• All API communications use HTTPS encryption
• We do not store sensitive wallet information
• Local data is stored using Chrome's secure storage API
• We follow Chrome extension security best practices

7. Your Rights and Choices

You have the following rights regarding your data:

• Access Control: You can disconnect your wallet at any time
• Data Deletion: You can clear cached data by removing the extension
• Opt-out: You can disable the extension at any time through Chrome's extension settings

8. Children's Privacy

Our extension is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated "Last updated" date.

10. Contact Information