Privacy Policy for Stack.World

1. Introduction

This privacy policy outlines the personal data collection, processing, and usage practices of Stackr.World ("the Website"), owned and operated by Stackr, Tecnologias de Informação, Unipessoal, Lda ("the Company"). By using the Website, you consent to the data practices described in this policy.

2. What Data is Collected

  1. 2.1 Email addresses for communication.
  2. 2.2 VeVe wallet details for verification.
  3. 3.3 Twitter username if used as a sign-up option.

3. How Data is Collected

  1. 3.1. Directly from users during the sign-up and verification process.
  2. 3.2. Through the use of Google Tag Manager for performance analysis.
  3. 3.3. Via cookies and other tracking mechanisms.

4. Why Data is Collected

  1. 4.1. For user verification.
  2. 4.2. To communicate updates and other relevant information.
  3. 4.3. For performance analysis and website optimization.

5. Legal Basis for Processing

  1. 5.1. Data is processed based on user consent, as required for the performance of a contract (when users agree to terms and services), and in line with the Company's legitimate interests.

6. How Data is Used

  1. 6.1. To verify user credentials.
  2. 6.2. To send updates and communications via email.
  3. 6.3. For analytical purposes to enhance the user experience.

7. Data Sharing and Transfers

  1. 7.1. Data is shared with Google Tag Manager for the purpose of website performance analysis.
  2. 7.2. Email data is managed using for communication purposes.
  3. 7.3. Any international transfers of data are conducted in compliance with GDPR regulations, ensuring adequate data protection.

8. Data Retention

  1. 8.1. User data is retained for a period of 3 years, after which it may be deleted or anonymized.

9. User Rights

  1. 9.1. Users have the right to access, correct, or delete their personal data stored by the Website.
  2. 9.2. Users have the right to opt out of any marketing communications.
  3. 9.3. Users have the right to lodge a complaint with a supervisory authority.
  4. 9.4. Users have the right to data portability and can request their data in a structured, commonly used, and machine-readable format.
  5. 9.5. Users have the right to withdraw consent at any time, without affecting the lawfulness of processing based on consent before its withdrawal.

10. Cookies and Tracking Technologies

  1. 10.1. The Website uses cookies primarily for performance analysis through Google Tag Manager.
  2. 10.2. Users can provide or withdraw their consent for the use of cookies and tracking technologies.

11. Data Security and Breach Procedure

  1. 11.1. The Company takes reasonable measures to protect user data from unauthorized access, alteration, or deletion.
  2. 11.2. In the event of a data breach, affected users will be notified within 72 hours, and appropriate measures will be taken in compliance with GDPR regulations.

12. Consent and Opt-Out

  1. 12.1. By using the Website, users provide explicit consent for data collection and processing as outlined in this policy.
  2. 12.2. Users can opt out or withdraw consent at any time by contacting the Company.

13. Changes to the Privacy Policy

    13.1. The Company reserves the right to update this privacy policy at any time. Any changes will be communicated to users and will also be reflected on this page.

14. Contact Information

    For any inquiries, concerns, or to exercise any of the rights mentioned above regarding this privacy policy or any related matter, users may contact the Company at