Privacy Policy
Last updated: March 14, 2026
WaifuCash ("we", "our", or "us") operates the WaifuCash mobile application and website (waifucash.com). This Privacy Policy explains how we collect, use, and protect your information.
1. Information We Collect
Information you provide:
- Wallet Address: Your Solana wallet public address when you connect via Phantom wallet. We do not have access to your private keys.
- Telegram Information: If you verify your account via Telegram, we store your Telegram user ID for verification purposes.
- Username: A display name you may choose within the app.
Information collected automatically:
- Device Information: Device type, operating system version, and app version for compatibility and debugging.
- Usage Data: Pages visited, features used, and interaction patterns to improve our service.
- Push Notification Tokens: If you enable push notifications, we store your device token to send notifications.
- IP Address: Collected for security, rate limiting, and fraud prevention.
2. How We Use Your Information
- To provide and maintain our service
- To authenticate your identity via wallet signature verification
- To process in-app transactions (card packs, marketplace, staking)
- To send push notifications about your account activity
- To detect and prevent fraud, abuse, and security threats
- To improve our app and user experience
- To communicate service updates and promotional content
3. Data Sharing
We do not sell your personal information. We may share data with:
- Blockchain Networks: Transactions are recorded on the Solana blockchain, which is public by nature.
- Analytics Providers: We use Google Analytics to understand app usage patterns (anonymized).
- Push Notification Services: Expo Push Notification service to deliver notifications.
- Law Enforcement: If required by law or to protect our rights.
4. Data Security
We implement industry-standard security measures including:
- HTTPS encryption for all data transmission
- Cryptographic signature verification for authentication
- Rate limiting and bot detection
- Secure session management
No method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.
5. Data Retention
We retain your data for as long as your account is active. You may request deletion of your data by contacting us. Blockchain transaction records cannot be deleted as they are part of the public ledger.
6. Your Rights
You have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Opt out of push notifications via device settings
- Disconnect your wallet at any time
7. Children's Privacy
WaifuCash is not intended for users under 18 years of age. We do not knowingly collect information from children under 18.
8. Third-Party Links
Our app may contain links to third-party websites (Solscan, X/Twitter, Phantom). We are not responsible for the privacy practices of these sites.
9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes through the app or website. Continued use after changes constitutes acceptance.
10. Contact Us