Cookie Policy

This Cookie Policy explains how ChallengeU2 ("we," "us," or "our") uses cookies and similar tracking technologies on our website, mobile applications, and services (collectively, the "Platform"). Cookies help us provide, secure, and improve the Platform, including your participation in online challenges. This policy is part of our Privacy Policy; for details on data handling, see our Privacy Policy.

1. What Are Cookies and Similar Technologies?

Cookies are small text files stored on your device (e.g., computer or mobile) when you visit the Platform. Similar technologies include web beacons, pixels, local storage, and device identifiers. These enable core functionality, analyze usage, and deliver personalized experiences, such as remembering your challenge progress or preferences.

We use first-party cookies (set by us) and third-party cookies (set by partners like Google Analytics for insights or Stripe for payments). Some are session-based (deleted when you close your browser), others persistent (stored longer for ongoing features like login persistence).

2. Types of Cookies We Use

We classify cookies by purpose. You can manage preferences via our cookie consent banner or browser settings.

Essential Cookies

These are necessary for the Platform's basic operation and cannot be disabled. They include:

• Authentication cookies: Maintain your login session during challenge participation.
• Security cookies: Prevent fraud and protect against unauthorized access to account data.
• Functionality cookies: Remember settings like language or challenge filters.

Examples: Session ID for secure challenge submissions; preference cookies for UI state.

Analytics Cookies

These help us understand how users interact with the Platform to improve services. Data is anonymized and aggregated.

• Usage analytics: Track challenge engagement, page views, and completion rates (e.g., via Google Analytics).
• Performance monitoring: Identify issues affecting challenge loading or user flow.

We share anonymized data with partners for insights but not personal identifiers.

Marketing Cookies

These deliver personalized ads and content, such as promotions for premium challenges. They may track across sites.

• Advertising cookies: Show relevant challenge recommendations based on past interactions.
• Social media cookies: Enable sharing challenge achievements on platforms like Twitter or Facebook.

Third parties (e.g., Facebook Pixel) may set these; opt-out via their tools or our banner.

3. How We Use Cookie Data

We use cookies to:

• Provide seamless experiences, like saving challenge progress across devices.
• Analyze trends to enhance challenge design and user satisfaction.
• Prevent abuse, such as detecting multiple account usage in competitions.
• Target marketing, with your consent, for relevant offers (e.g., email newsletters).

Cookie data may be combined with other information (per our Privacy Policy) but is protected under applicable laws like GDPR and eCPRA.

4. Consent, Choices, and Opt-Out

Where required (e.g., EU users under GDPR), we obtain consent before placing non-essential cookies via our consent management tool. You can withdraw consent anytime through the banner or settings.

To manage cookies:

• Use browser settings (e.g., Chrome: Settings > Privacy > Cookies) to block or delete.
• Opt out of analytics via Google Analytics opt-out or tools like the NAI Consumer Choice.
• For ads, visit Digital Advertising Alliance (DAA) or Your Online Choices.

Note: Disabling essential cookies may impair functionality, like losing saved challenge data.

5. Third-Party Cookies and Links

Third parties (e.g., Stripe for payments, OpenAI for AI features) may set cookies when you interact with their services on our Platform. We do not control these; review their policies for details.

External links (e.g., to social media) are not covered by this policy; their cookie practices apply.

6. Data Retention and Security

We retain cookie data as needed for the purposes described, typically 13 months for analytics. Essential cookies expire at session end. Data is secured with encryption and access controls, per our Privacy Policy.

Children's privacy: We do not knowingly place non-essential cookies on devices of users under 13 (or 16 in some regions) without parental consent.

7. International Transfers

Cookie data may be transferred internationally (e.g., to US servers). We use safeguards like Standard Contractual Clauses to protect data in compliance with GDPR.

8. Updates to This Policy

We may update this Cookie Policy to reflect changes in practices or laws. Updates will be posted here with the new "Last updated" date. For material changes, we'll notify you via email or notice on the Platform. Continued use constitutes acceptance; review regularly.