Privacy Policy
Last Updated: January 6, 2026
1. Introduction
Welcome to x402 Nano API. This Privacy Policy explains how we collect, use, and protect your information when you use our Nano cryptocurrency wallet API service.
Important: We do NOT store your private keys, wallet seeds, or passwords. Your wallet data is encrypted client-side before transmission.
2. Information We Collect
2.1 Information You Provide
- Email Address: Optional, only if you choose to provide it for wallet backup purposes
- Encrypted Wallet Data: We temporarily process encrypted wallet strings during API calls
- Transaction Data: Public blockchain transaction information (addresses, amounts, timestamps)
2.2 Automatically Collected Information
- API Usage Logs: Request timestamps, endpoints accessed, response status codes
- IP Addresses: For rate limiting and abuse prevention
- Technical Data: Browser type, device information (when applicable)
3. How We Use Your Information
- Service Delivery: Process your API requests and manage wallet operations
- Email Backup: Send encrypted wallet backups to your provided email (if applicable)
- Analytics: Monitor API performance, usage statistics, and transaction volume
- Security: Detect and prevent fraud, abuse, and security threats
- Improvements: Enhance API features and user experience
4. Data Security
- All wallet data is encrypted with AES-256 encryption
- HTTPS/TLS encryption for all data in transit
- No storage of private keys, seeds, or unencrypted passwords
- Regular security audits and updates
- Limited employee access to systems
5. Data Retention
- Encrypted Wallet Strings: Not stored permanently; only processed during active sessions
- Email Backups: Stored only in your email inbox (we don't retain copies)
- Transaction Records: Public blockchain data (permanent and immutable)
- API Logs: Retained for 90 days for security and debugging purposes
- Analytics Data: Aggregated and anonymized, retained indefinitely
6. Data Sharing
We do NOT sell, rent, or trade your personal information. We may share data only in these circumstances:
- Legal Requirements: When required by law or legal process
- Service Providers: Email service for wallet backups (SendGrid or similar)
- Blockchain: Transaction data is public on the Nano blockchain
7. Your Rights
You have the right to:
- Access your data that we process
- Request deletion of your email address and associated data
- Opt-out of email communications
- Export your data in a machine-readable format
8. Cookies and Tracking
We use minimal cookies for:
- Session management (if using web interface)
- Analytics (anonymized)
We do NOT use third-party advertising or tracking cookies.
9. Third-Party Services
- Nano Network: Public blockchain infrastructure
- Email Provider: For optional wallet backups
- Work Generation: For transaction proof-of-work
10. Children's Privacy
Our service is not intended for users under 18 years of age. We do not knowingly collect data from children.
11. International Users
Your data may be processed in servers located in various countries. By using our service, you consent to international data transfers.
12. Changes to This Policy
We may update this Privacy Policy. Significant changes will be communicated via:
- Updated "Last Updated" date at the top
- Notification on our GitHub repository
- Email notification (if you provided an email)
13. Contact Us
For privacy-related questions or requests:
Remember: You are responsible for keeping your encrypted wallet string and password secure. We cannot recover lost credentials.
© 2026 x402 Nano API. All rights reserved.