Privacy Policy
1. Responsible party
Sebastian Kaier
Brombeerweg 8
31582 Nienburg/Weser
Germany
and
Lucas Dietrich
Höftestr. 32
48167 Münster
Germany
2. Collection and Storage of Personal Data and Nature and Purpose of Their Use
a) Registration and User Account
In order to use our platform, it is necessary to provide an email address and a freely chosen username. Login is carried out via a magic link, which means no passwords are stored.
Optional profile data may include:
- First name and last name
- Links to social media profiles
- Short description
The processing of this data is carried out for the purpose of providing and managing
the user account, authentication, and technical communication (e.g. sending the magic link).
Legal basis: Art. 6 (1) (b) GDPR (performance of a contract).
b) Newsletter (planned)
If you subscribe to our newsletter, we will process your email address solely for
the purpose of sending the newsletter. A subscription will require the double opt-in
procedure. You can unsubscribe at any time.
Legal basis: Art. 6 (1) (a) GDPR (consent).
c) Contact via Discord
The website doesn't contain a contact form by itself. Direct contact with us is instead possible via our contact email (contact@masterballhq.com) or via our Discord server (see footer). In the latter case, the privacy policy of Discord (Discord Inc., USA) applies.
3. Hosting and Data Processing by Third Parties
Our website is hosted by Vercel Inc. (USA),
with the use of Cloudflare Inc. (USA) for content delivery and security.
User data is stored in databases provided by neon.tech (USA),
as well as Hetzner (Germany).
When visiting our website, the following data may be stored in so-called log files:
- IP address of the device
- Date and time of access
- Browser type and version
- Operating system
- Referrer URL
Data is stored for security reasons (e.g. to investigate abuse or fraud) for up to
30 days and then automatically deleted.
Legal basis: Art. 6 (1) (f) GDPR (legitimate interest).
4. Cookies
We use cookies, which may be strictly necessary, functional, or for marketing/analytics purposes:
- Strictly necessary cookies (always active): Language settings, Session ID
- Functional cookies (optional): Storage of user preferences in settings
- Marketing/analytics cookies (optional): Google Analytics
The legal basis for strictly necessary cookies is Art. 6 (1) (f) GDPR.
For all other cookies, we request your consent via a cookie banner:
Legal basis: Art. 6 (1) (a) GDPR.
5. Web Analytics
Google Analytics
We use Google Analytics, a web analytics service provided by Google Ireland Ltd. (Ireland).
Google Analytics uses cookies to analyze the use of our website. Data may also be
transferred to servers in the USA. You can prevent the storage of cookies by adjusting
your browser settings or by deactivating them in the cookie banner.
Legal basis: Art. 6 (1) (a) GDPR (consent).
Internal Analytics (Grafana)
We also use an internal dashboard (Grafana) to analyze usage.
Pseudonymized data is processed here.
Legal basis: Art. 6 (1) (f) GDPR (legitimate interest in improving the platform).
6. Disclosure of Data to Third Parties
We only share personal data with third parties if this is either necessary for the performance of a contract (Art. 6 (1) (b) GDPR), required by law (Art. 6 (1) (c) GDPR), or based on your consent (Art. 6 (1) (a) GDPR).
Data transfers to the USA are possible (e.g. Google, Vercel, Cloudflare, neon.tech). These transfers are based on adequacy decisions of the European Commission or on standard contractual clauses.
7. Rights of Data Subjects
As a user, you have the following rights regarding your personal data:
- Right of access (Art. 15 GDPR)
- Right to rectification (Art. 16 GDPR)
- Right to erasure (Art. 17 GDPR)
- Right to restriction of processing (Art. 18 GDPR)
- Right to data portability (Art. 20 GDPR)
- Right to object to processing (Art. 21 GDPR)
- Right to withdraw consent at any time (Art. 7 (3) GDPR)
To exercise your rights, simply contact contact@masterballhq.com. You also have the right to lodge a complaint with a supervisory authority (Art. 77 GDPR).
8. Data Security
We use standard SSL/TLS encryption for secure communication when visiting our website.
9. Updates to This Privacy Policy
This privacy policy is currently valid and was last updated on 10/08/2025, 11:00 AM.
We reserve the right to update it to remain compliant with legal requirements.