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How POLYSTAR collects, uses, and protects your data.
Last updated: August 2026
POLYSTAR ("we", "us", or "our") is a Polymarket-focused prediction-market intelligence platform. This Privacy Policy explains what data we collect, how we use it, and the choices you have regarding your personal information. By using POLYSTAR, you consent to the practices described in this policy.
When you sign up, we collect your name and email address to create and manage your account. Your email is used for authentication, account recovery, and service-related communications.
When you subscribe to a paid plan, we collect your selected plan, subscription status, billing country, and ZIP/postal code. For card payments, we store only the last 4 digits, card brand, and expiry date — never the full card number, CVC, or complete payment details. Card data is processed through our payment infrastructure and is not stored in plaintext on our servers.
Wallet intelligence features use only public on-chain data from Polymarket's public Data API. No private wallet keys are ever requested, received, or stored. We display publicly available information about wallet positions, trades, and activity that is already accessible through Polymarket's public infrastructure.
When you use the Star AI chat feature, your messages and the AI-generated responses are stored to maintain conversation history and improve our support capabilities. Chat messages are processed through our AI provider chain (Groq and OpenRouter) and may be temporarily processed on those providers' servers. We do not share your chat content with third parties for marketing purposes.
We automatically collect certain technical data, including your browser type, device information, approximate location (country-level), and usage patterns. This helps us maintain and improve the service, monitor for abuse, and troubleshoot issues.
We do not sell your personal information to third parties. We do not use your data to train AI models for prediction purposes.
We do not share your personal information with third parties except in the following limited circumstances:
We implement appropriate technical and organizational measures to protect your data, including encrypted authentication (bcrypt password hashing), secure session management via NextAuth, and database-level access controls. However, no method of transmission or storage is 100% secure, and we cannot guarantee absolute security.
We retain your account data for as long as your account is active. You may request deletion of your account at any time through the app or by contacting support. When an account is deleted, we remove your personal data from our active systems, though some data may be retained in backup systems for a limited period as required by law or for legitimate business purposes.
Depending on your jurisdiction, you may have the right to:
To exercise these rights, contact us through the in-app support chat or the details on our About page.
POLYSTAR uses essential cookies and local storage to maintain your authentication session and remember your preferences. We do not use third-party tracking cookies for advertising purposes.
POLYSTAR is not intended for users under 18 years of age. We do not knowingly collect data from minors. If you believe a minor has provided us with personal data, please contact us so we can delete it.
We may update this Privacy Policy from time to time. When we make material changes, we will notify you through the app or via email. Continued use of POLYSTAR after changes take effect constitutes acceptance of the updated policy.
For privacy questions, requests, or concerns, contact us through the in-app support chat or visit our About page for more contact options.
This Privacy Policy is provided for informational purposes and does not constitute legal advice. POLYSTAR is an independent platform and is not affiliated with Polymarket.