Privacy Policy

Last updated: June 23, 2026

This Privacy Policy describes how 3-102-951805 dba DUELDUCK CR LIMITADA (“we,” “us,” or “our”) collects, uses, discloses, and protects information when you use the Duel Duck website, mobile application, and related services (collectively, the “Services”). The Services include account registration, prediction duels, ticket purchases, wallet and payment functionality, disputes, support, and related platform features.

By using the Services, you agree to the collection and use of information in accordance with this Privacy Policy.

1. Information We Collect

We may collect the following categories of information:

• Account Information: name, email address, username, and similar registration details.
• Financial Information: deposit and withdrawal details, wallet addresses, transaction history, and related payment records.
• Device and Usage Information: IP address, device identifiers, operating system, browser type, app version, log data, and activity data.
• Communications: messages you send to us, including support requests and correspondence.
• User Content: duels you create, predictions you submit, comments, and other content you choose to submit through the Services.
• Security and Fraud Data: information used to detect suspicious, unauthorized, or prohibited activity.

2. How We Use Information

We use the information we collect to:

• Provide, operate, and maintain the Services.
• Create and manage user accounts.
• Process payments, deposits, withdrawals, and rewards.
• Verify identity, age, eligibility, and compliance requirements.
• Prevent fraud, abuse, unauthorized access, and prohibited activity.
• Enforce our terms, policies, and platform rules.
• Respond to support requests and communicate with you.
• Improve, analyze, secure, and customize the Services.
• Send service messages, notices, and, where permitted, marketing communications.

3. Legal Basis for Processing

Where required by applicable law, we process personal information on one or more of the following legal bases:

• Performance of a contract.
• Compliance with legal obligations.
• Legitimate interests, such as fraud prevention, security, analytics, and enforcement.
• Consent, where required for certain communications or processing activities.

4. Information Sharing

We may share information with:

• Service providers that help us operate the Services, such as hosting, analytics, customer support, identity verification, compliance, and payment processing providers.
• Financial, wallet, and blockchain infrastructure providers that support transactions and account functionality.
• Legal, regulatory, and law enforcement authorities when required by law or when necessary to protect rights, users, or the integrity of the Services.
• Professional advisers, including legal, accounting, audit, and compliance advisers.
• Other users or the public, where you choose to make information visible through the Services, including public duel content or public activity.

We do not sell your personal information as that term is commonly understood.

5. Payments and Wallets

The Services may involve deposits, withdrawals, and wallet functionality. Payment and transaction information may be processed by third-party providers, and certain transaction records may be visible on public blockchain networks depending on the technology used.

We may use transaction and wallet data for payment processing, fraud prevention, security monitoring, dispute handling, and compliance obligations.

6. Cookies and Tracking

We may use cookies, SDKs, pixels, local storage, and similar technologies to:

• Keep you signed in.
• Remember preferences.
• Analyze performance and usage.
• Improve the Services.
• Support security and fraud prevention.

You can control some tracking technologies through your browser or device settings, but disabling them may affect the functionality of the Services.

7. Data Retention

We retain personal information for as long as reasonably necessary to:

• Provide the Services.
• Fulfill the purposes described in this Privacy Policy.
• Comply with legal, tax, accounting, AML, and regulatory requirements.
• Resolve disputes.
• Enforce agreements and protect against fraud or misuse.

When information is no longer needed, we will delete, anonymize, or archive it as permitted or required by law.

8. Data Security

We implement reasonable technical and organizational measures to protect personal information. However, no method of transmission or storage is completely secure, and we cannot guarantee absolute security.

9. Your Rights

Depending on your location and applicable law, you may have the right to:

• Access the personal information we hold about you.
• Correct inaccurate or incomplete information.
• Request deletion of your information.
• Restrict or object to certain processing.
• Request data portability.
• Withdraw consent where processing is based on consent.
• File a complaint with a data protection authority.

To exercise these rights, contact us using the details below. We may need to verify your identity before responding.

10. International Transfers

Your information may be processed in countries other than your own. Where required, we use appropriate safeguards for such transfers in accordance with applicable law.

11. Children’s Privacy

The Services are not intended for children or minors where prohibited by law. We do not knowingly collect personal information from children. If we become aware that we have collected such information in violation of applicable law, we will delete it as appropriate.

12. Third-Party Services

The Services may contain links to third-party websites, apps, or services. We are not responsible for the privacy practices of third parties, and their policies govern their own data practices.

13. Changes to This Policy

We may update this Privacy Policy from time to time. If we make material changes, we will post the updated version on the Services and revise the “Last updated” date above. Your continued use of the Services after the effective date of the updated policy means you accept the revised version.

14. Contact Us

If you have questions about this Privacy Policy or our privacy practices, contact us at [email protected].