Privacy Policy

Effective date: March 2026 — Last updated: March 2026

1. Information We Collect

When you use Chain AI, we may collect the following information:

• Wallet addresses — Public addresses you connect, used to associate conversations with your account
• Chat messages — Your messages and AI responses are stored to provide conversation history
• API key usage — Request counts and timestamps for rate limiting and analytics
• Basic usage data — Page views and feature usage to improve the product

2. How We Use Your Information

• Provide and maintain the Chain AI service
• Store and retrieve your conversation history
• Monitor API usage and enforce rate limits
• Improve the product and user experience
• Detect and prevent abuse or misuse

3. What We Don't Collect

Chain AI is non-custodial. We never collect, store, or have access to your private keys, seed phrases, passwords, or wallet credentials. All transaction signing happens locally in your wallet.

4. Data Storage

Conversations and account data are stored in our database and associated with your wallet address. We use industry-standard security measures to protect your data.

5. Third-Party Services

Chain AI integrates with third-party services to provide blockchain data and functionality:

• CoinGecko — market data and token prices
• Alchemy — Ethereum RPC provider
• Blockstream — Bitcoin blockchain data
• Jupiter — Solana DEX aggregation

These services may have their own privacy policies. We recommend reviewing them independently.

6. Data Retention

Conversations are retained until you choose to delete them. You can delete individual conversations at any time through the chat interface. API usage logs are retained for operational purposes.

7. Your Rights

• Delete your conversations at any time
• Request a copy of your stored data
• Request deletion of your account and associated data

To exercise these rights, contact us at support@chainai.com.

8. Changes to This Policy

Chain AI may update this Privacy Policy at any time. Continued use of the service after changes constitutes acceptance of the updated policy. We encourage you to review this page periodically.

9. Contact

For questions about this privacy policy, contact us at support@chainai.com.