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Cookie Policy

Last Updated: February 7, 2026

What Are Cookies?

Cookies are small text files stored on your device when you visit websites. They help websites remember your preferences, keep you logged in, and improve your experience.

TCGOK uses cookies and similar technologies (like localStorage and sessionStorage) to provide essential functionality and enhance your experience on our platform.

Why We Use Cookies

We use cookies for the following purposes:

  • Authentication: Keep you securely logged in to your account
  • Security: Protect against fraud, abuse, and unauthorized access
  • Preferences: Remember your settings (theme, language, etc.)
  • Performance: Monitor and improve platform performance
  • Analytics: Understand how users interact with our platform

Types of Cookies We Use

1. Strictly Necessary Cookies

These cookies are essential for the platform to function. You cannot opt out of these cookies without disabling core functionality.

Authentication Cookies (Supabase)

  • Purpose: Maintain your login session
  • Cookie names: sb-access-token, sb-refresh-token
  • Duration: 7 days (access), 60 days (refresh)
  • Third-party: Supabase (authentication provider)

Session Cookies

  • Purpose: Track your session across pages
  • Duration: Session only (deleted when browser closes)
  • Third-party: No

Security Cookies

  • Purpose: Prevent cross-site request forgery (CSRF)
  • Duration: Session only
  • Third-party: No

2. Functional Cookies

These cookies enhance functionality and personalization but are not strictly necessary.

Theme Preference

  • Purpose: Remember your light/dark mode preference
  • Cookie name: theme
  • Duration: 1 year
  • Third-party: No

Navigation State

  • Purpose: Remember your last visited pages and preferences
  • Storage: Browser localStorage
  • Duration: Until manually cleared
  • Third-party: No

3. Analytics and Performance Cookies

These cookies help us understand how users interact with our platform and identify performance issues.

Vercel Analytics

  • Purpose: Anonymous performance monitoring and page view tracking
  • Data collected: Page views, load times, device type (anonymized)
  • Duration: Session only
  • Third-party: Vercel
  • Privacy: Does not track personal information

4. Payment Processing Cookies

When you make a payment, Stripe uses cookies for fraud detection and secure payment processing.

Stripe Cookies

  • Purpose: Fraud detection, secure payment processing
  • Cookie names: __stripe_mid, __stripe_sid
  • Duration: 1 year (mid), 30 minutes (sid)
  • Third-party: Stripe, Inc.
  • Policy: Stripe Privacy Policy

Cookie Duration

Cookies on TCGOK have the following lifespans:

  • Session cookies: Deleted when you close your browser
  • Persistent cookies: Remain until expiration or manual deletion
  • Authentication tokens: 7-60 days (automatically refreshed)
  • Preference cookies: Up to 1 year

Your Cookie Choices

Browser Controls

Most browsers allow you to control cookies through settings. You can:

  • View and delete cookies
  • Block third-party cookies
  • Block all cookies (not recommended - will break login)
  • Clear cookies when closing browser

Browser-specific instructions:

Impact of Blocking Cookies

⚠️ Important: Blocking essential cookies will prevent you from:

  • Logging in to your account
  • Registering for tournaments
  • Making payments
  • Saving preferences

Functional and analytics cookies can be blocked without breaking core features, but your experience may be degraded.

Third-Party Cookies

We use trusted third-party services that may set their own cookies:

Supabase (Authentication & Database)

Used for secure authentication and data storage

Privacy Policy

Stripe (Payment Processing)

Used for secure payment processing and fraud prevention

Privacy Policy | Cookie Policy

Vercel (Hosting & Analytics)

Used for hosting and anonymous performance analytics

Privacy Policy

We do not control these third-party cookies. Please review their privacy policies for details on how they use cookies.

Do Not Track (DNT)

Some browsers include a "Do Not Track" (DNT) signal. Currently, there is no industry standard for DNT compliance. TCGOK respects browser privacy settings but does not specifically respond to DNT signals, as essential cookies are required for the service to function.

Updates to Cookie Policy

We may update this Cookie Policy to reflect changes in our practices or for legal reasons. Material changes will be communicated via:

  • Email notification
  • Platform announcement
  • Updated "Last Updated" date

Contact Us

If you have questions about our use of cookies, contact us:

Email: support@tcgok.app

Summary

By using TCGOK, you consent to our use of essential cookies required for authentication and security. You can control non-essential cookies through your browser settings, though this may affect your experience.