Last updated: December 2025
Plain English: We collect minimal data, only what's needed to run the service. We don't sell your data. You can delete your account anytime.
Sirruna is a cryptocurrency intelligence publication operated from the Netherlands. For privacy matters, you can contact us at marcus@sirruna.com.
Under the EU General Data Protection Regulation (GDPR), we act as the "data controller" for personal information collected through sirruna.com.
| Data Type | When Collected | Purpose |
|---|---|---|
| Email address | Account creation, newsletter signup | Authentication, sending briefs |
| Name (if provided) | Account creation via Google/Apple | Personalization |
| Region preference | Settings | Delivering region-appropriate content |
| Coin watchlist | Settings | Personalizing your brief |
| Usage analytics | Automatically | Improving the service |
We use Google Analytics to understand how people use Sirruna. This collects anonymized data about pages visited, time on site, and general location (country level). You can opt out using browser extensions like Google Analytics Opt-out.
We use Firebase Authentication (Google/Apple sign-in). When you sign in, we receive your email and display name from these providers. We do not receive or store your passwords.
We use your data to:
We do not:
Under GDPR, we process your data based on:
Your data is stored on:
These providers maintain robust security measures and comply with GDPR. Data may be transferred to the United States under Standard Contractual Clauses approved by the European Commission.
We retain your data for as long as you have an account. If you delete your account, we will delete your personal data within 30 days, except where we need to retain it for legal purposes.
Analytics data is retained in anonymized form and cannot be linked back to you.
To exercise any of these rights, email marcus@sirruna.com. We will respond within 30 days.
We use cookies for:
We do not use advertising or tracking cookies. You can control cookies through your browser settings.
Sirruna is not intended for users under 18. We do not knowingly collect data from minors. If you believe we have collected data from someone under 18, please contact us immediately.
We may update this policy from time to time. Significant changes will be noted at the top of this page. We encourage you to review this policy periodically.
For privacy questions or to exercise your rights:
Email: marcus@sirruna.com
If you're not satisfied with our response, you have the right to lodge a complaint with your local data protection authority. In the Netherlands, this is the Autoriteit Persoonsgegevens (autoriteitpersoonsgegevens.nl).