Privacy policy

Last updated: October 2026.

1. Data controller

Your data is controlled by one of the pupils in the class. Privacy contact: skarbnik.hs.vc@gmail.com.

2. What we collect

To run settlements we store: journal number, first and last name, payment history, and IP address.

3. Purpose and legal basis

Data is used solely for class settlements. The basis is your consent (GDPR Art. 6(1)(a)), given by signing in. You may withdraw consent at any time by signing out and requesting account deletion.

4. Where your data lives

The primary server is in the European Union. Backup copies of your data may be stored in the United States.

5. How long we keep data

Data is kept until you request account (and related data) deletion, or until the platform closes / the class finishes school.

6. Your rights

You have the right to access, rectify, erase and restrict your data, to data portability, to object, and to withdraw consent at any time by writing to skarbnik.hs.vc@gmail.com. You also have the right to lodge a complaint with the supervisory authority.

7. Cookies

We use only technical, strictly-necessary cookies:

• session identifier, keeps you signed in, removed on logout or browser close;

8. Data security

All your data is encrypted; nobody can see your passwords (irreversibly hashed with Argon2id), and first/last names are accessible only to the treasurer for payment verification.

9. Changes to this policy

We may update this policy, for example when laws or how the service works change. The current version is always available on this page, with the last-updated date at the top.