Sybils.Club — Privacy Policy

Effective date: December 21, 2025

This Privacy Policy explains how Sybils.Club (“we,” “us,” “our”) collects, uses, discloses, and protects personal data when you access or use our website and services (the “Service”).

If you do not agree with this Privacy Policy, do not use the Service.

1. Data Controller (Contact Information)

For purposes of the EU General Data Protection Regulation (“GDPR”) and Czech Law, the data controller and operator is:

Andrei Belousov (Entrepreneur / OSVČ) IČO: 07843607 DIČ (VAT ID): CZ8701051601 Address: Havlíčkovo náměstí 2859/12, 13000 Praha - Žižkov, Czech Republic Email: support@sybils.club

2. What the Service does (and AI notice)

Sybils.Club aggregates and presents predictions and statements from experts. We use AI-assisted methods (Large Language Models) to classify, summarize, compare, score, and verify predictions. IMPORTANT: AI outputs may be incorrect. The Service may contain errors, hallucinations, omissions, or outdated information. We do not guarantee the accuracy of any "Verification" status.

3. Personal data we collect

A) Account and identity data (Social Login)

When you sign in using Google or X (Twitter), we receive:

  • A unique account identifier (ID).
  • Display name and handle.
  • Email address (if provided by the provider).
  • Profile image URL.

B) Usage and device data

We collect information via logs and analytics (e.g., Google Analytics):

  • Pages viewed, time spent.
  • Device type, browser version, IP address (anonymized where possible).

4. Purposes of processing

We use personal data to:

  • Create and manage your account.
  • Provide the "Verification" service.
  • Send service emails (via Brevo).
  • Analyze website traffic to improve the product.
  • Comply with legal obligations.

5. How we share personal data

We share data with the following processors:

  • Brevo: For sending transactional emails.
  • Google Analytics: For traffic analysis.
  • Hosting Providers: For infrastructure and database hosting.

We do not sell your personal data to third parties.

6. Data retention & Deletion

We retain account data while your account is active.

  • To delete your account: Please send a request to support@sybils.club. We will delete your data within 30 days.

7. Cookies

We use essential cookies (for login) and analytics cookies. You can manage your preferences using the Cookie Settings link in the footer of the website.

8. Your Rights (GDPR)

If you are in the EEA/UK, you have the right to access, rectify, or erase your personal data. Contact us at support@sybils.club to exercise these rights.