Privacy Policy - Hanzi Stroke - Master Chinese Writing & HSK

1. Introduction

At Hanzi Stroke, we take your privacy seriously. This privacy policy explains how we collect, use, and protect your information when you use the Chinese character learning services ("Service") on hanzi-stroke.

2. Information We Don't Collect

We are committed to minimizing data collection. We do not:

• Use cookies for third-party tracking

• Sell or share your personal information with third parties

• Collect information you don't actively provide

3. Information We Collect

We only collect information necessary to provide core functionality:

• Account Information: When you register, we collect your email address and password (stored encrypted). When using Google sign-in, we only obtain basic information you authorize.

• Learning Data: We store your practice records, including characters practiced, practice count, completion count, and last practice time, to save your learning progress.

4. How We Use Information

We use collected information only for:

• Providing Chinese character learning services (stroke order animations, practice features, etc.)

• Saving your learning progress and practice records

• Improving service performance and quality

• Maintaining service security and preventing abuse

5. Data Storage

Your account information and learning records are stored in secure databases, protected with industry-standard encryption and security measures.

You can delete your learning records at any time through account settings. When you delete your account, all related data will be permanently deleted.

6. Security Measures

We take appropriate technical measures to prevent unauthorized access, alteration, or destruction of your data. Our service runs on secure encrypted connections, and passwords are stored encrypted using bcrypt.

7. Children's Privacy

Our service is not intended for children under 13. We do not knowingly collect or process information from children under 13.

8. Privacy Policy Changes

We may update this privacy policy from time to time. If there are any significant changes, we will post a new privacy policy on this page to notify users.

9. Your Rights

You have the right to:

• Access your personal information and learning records

• Correct inaccurate information

• Delete your account and all related data

• Export your learning data

10. Contact

If you have any questions about this privacy policy, please contact us through our contact page.

11. Legal Basis

We process the minimum necessary information based on legitimate interests in providing and improving the service, while maintaining user privacy and security.

3. Information We Collect

We only collect information necessary to provide core functionality:

• Account Information: When you register, we collect your email address and password (stored encrypted). When using Google sign-in, we only obtain basic information you authorize.

• Learning Data: We store your practice records, including characters practiced, practice count, completion count, and last practice time, to save your learning progress.