Privacy Policy

Last updated: January 2026

Introduction

ArcaThread is a product of MKP Digital (CVR: 45731170), Trygsvej 1.D, 8230 Åbyhøj, Denmark. MKP Digital ("we," "us," or "our") is the data controller for your personal data. For data protection inquiries, contact us at kontakt@mkpdigital.dk.

We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our League of Legends companion application.

Information We Collect

Game Data (via LCU API)

ArcaThread reads publicly available data from the League Client Update (LCU) API during gameplay. This includes:

Your summoner name and region
Current match game state (gold, level, items)
Team compositions and enemy builds
Match history and performance data

Account Information

When you create an account, we collect:

Email address (for account verification and communication)
Profile preferences and settings
Build preferences and custom configurations

Cookies & Analytics (Google Analytics 4)

We use Google Analytics 4 to understand how visitors interact with our website. This helps us improve our service and user experience.

Data Controller: MKP Digital (CVR: 45731170)
Data Processor: Google LLC (United States)
Data collected: Anonymous page views, session duration, device type, approximate location (country/city level)
IP Anonymization: Enabled (IP addresses are anonymized before storage)
Google Signals: Disabled (no cross-device tracking)
Advertising features: Disabled (no personalization or remarketing)
Cookie expiration: 2 years
Data retention: 26 months

You can opt out of Google Analytics tracking by:

Clicking "Reject Analytics" in the cookie consent banner
Adjusting your preferences via the "Cookie Settings" button at any time
Installing the Google Analytics Opt-out Browser Add-on

For more information about how Google processes data, please review Google's Privacy Policy and Google's Data Processing Terms.

Usage Analytics (Application)

We collect anonymous usage data to improve our service:

Feature usage patterns
App performance metrics
Error reports and crash logs

Lawful Basis for Processing

We process your personal data on the following legal grounds under GDPR Article 6:

Performance of a contract (Art. 6(1)(b)): Processing necessary to provide the ArcaThread service when you create an account and use our application.
Consent (Art. 6(1)(a)): For analytics cookies and optional marketing communications. You can withdraw consent at any time.
Legitimate interest (Art. 6(1)(f)): For improving our service, security monitoring, and anonymous usage analytics.

How We Use Your Information

To provide live build recommendations during gameplay
To sync your settings and preferences across devices (Premium)
To generate match history analytics and insights
To improve our recommendation algorithms
To communicate important updates and changes
To prevent abuse and ensure service security

Data Security

We implement appropriate technical and organizational measures to protect your data:

All data is encrypted in transit using TLS/SSL
Database encryption at rest
Regular security audits and vulnerability assessments
Access controls and authentication mechanisms
No storage of Riot account credentials

Third-Party Services

We do not sell, trade, or transfer your personal information to third parties. We may use trusted service providers for:

Cloud hosting and infrastructure (Supabase)
Website hosting (Vercel Inc., United States)
Website analytics (Google Analytics 4) - see Cookies & Analytics section above
Error tracking and monitoring
Payment processing (Stripe for Premium subscriptions)

These providers are contractually obligated to protect your data and may only use it for the specified services. Google Analytics 4 operates under Google's Data Processing Terms.

Your Rights

Depending on your location, you may have the following rights:

Right to access your personal data
Right to correct inaccurate data
Right to request deletion of your data
Right to data portability
Right to object to certain processing
Right to lodge a complaint with a supervisory authority

To exercise these rights, contact us at kontakt@mkpdigital.dk or support@arcathread.com.

You also have the right to lodge a complaint with the Danish Data Protection Agency (Datatilsynet, datatilsynet.dk) or your local supervisory authority.

Data Retention

We retain your personal data only for as long as necessary to provide our services:

Account data: Retained while your account is active. Deleted within 30 days of account deletion request.
Analytics data (GA4): 26 months.
Match history: Retained while your account is active.

Children's Privacy

ArcaThread is not intended for children under 13. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us for removal.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last updated" date.

Contact Us

If you have questions about this privacy policy or our data practices, please contact us:

Data Controller: MKP Digital, CVR: 45731170
Address: Trygsvej 1.D, 8230 Åbyhøj, Denmark
Data Protection Contact: kontakt@mkpdigital.dk
Support: support@arcathread.com
Discord: discord.gg/arcathread