Privacy Policy

21Stacker Privacy Policy

Last updated: [Insert Date]

1. Who We Are

21Stacker Ltd (“21Stacker”, “we”, “our”, “us”) operates online skill-based competitions where entrants can win prizes paid in Bitcoin. We are the “data controller” of your personal information under UK data protection law.

You can contact us at:
 📧 support@21stacker.com

2. Information We Collect

We may collect and process the following types of information:

  • Entry Details: name, email address, wallet address, competition entries, and payment records.

  • Winner Verification: government-issued ID and proof of address (for winners only).

  • Technical Data: IP address, device/browser type, and cookies.

  • Marketing Data: email subscriptions, communication preferences, affiliate/referral links.

3. How We Use Your Information

We use your information for:

  • Processing your competition entries.

  • Verifying age, identity, and residency of winners.

  • Delivering prizes in Bitcoin.

  • Managing our affiliate program.

  • Sending marketing emails (where you have opted in).

  • Monitoring and improving our website.

  • Complying with legal obligations (e.g., record-keeping, dispute resolution).

4. Lawful Basis for Processing

We rely on the following lawful bases under UK GDPR:

  • Contract – to fulfil our obligations when you enter a competition.

  • Legal obligation – to comply with consumer protection and tax laws.

  • Consent – for optional marketing communications and cookie tracking.

  • Legitimate interests – to prevent fraud, ensure competition fairness, and improve services.

5. Sharing Your Information

We do not sell your data. We may share your information with:

  • Service providers (e.g., website hosting, email marketing, payment processors).

  • Legal or regulatory authorities, if required by law.

  • Public announcements of winners (name and region only, unless you opt out).

6. International Transfers

We primarily store data in the UK/EEA. If we transfer data outside these regions, we will ensure appropriate safeguards (e.g., Standard Contractual Clauses) are in place.

7. Data Retention

  • Entry and transaction records: 6 years (for tax/accounting purposes).

  • Winner verification documents: 12 months after prize fulfilment, then securely deleted.

  • Marketing data: until you unsubscribe or withdraw consent.

8. Your Rights

Under UK GDPR, you have the right to:

  • Access your data.

  • Correct inaccuracies.

  • Request deletion.

  • Restrict or object to processing.

  • Data portability.

  • Withdraw consent (for marketing/cookies).

To exercise your rights, contact us at support@21stacker.com.

9. Cookies & Tracking

We use cookies and similar technologies to:

  • Track website usage.

  • Improve user experience.

  • Run marketing and analytics (e.g., Google Analytics, Facebook Pixel).

You will be asked to consent to non-essential cookies via our cookie banner.

10. Security

We take appropriate technical and organisational measures to protect your personal data, including secure servers, encryption, and restricted access to sensitive records.

11. Complaints

If you are unhappy with how we process your data, you can complain to us directly or contact the UK Information Commissioner’s Office (ICO): www.ico.org.uk

 

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