Privacy Policy
Last Updated: April 2, 2026
1. Overview
Block Stack ("we," "us," "our," or "Company") operates blockstackiing.com, a free browser-based puzzle game. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website.
1a. Data Controller
Block Stack is operated as a hobby project by an independent developer. We do not have a registered business address. For privacy inquiries, contact us at getinfo@blockstackiing.com
2. Information We Collect
Here's what information we actually collect when you use Block Stack:
- Contact Form Data: Name, email, subject, and message if you submit our contact form
- Game Score Data: Your highest game score, stored locally in your browser's localStorage (not sent to our servers)
- Consent Preferences: Your cookie consent choice and the date/time you made it
- Google Ads Conversion Data: Conversion tracking pixels for measuring ad campaign effectiveness (shared with Google)
3. localStorage Data Collected
Our website stores the following data in your browser's localStorage:
- blockStackBest: Your highest game score (stored indefinitely)
- cookieConsent: Your cookie consent preference (1 year retention)
- cookieConsentDate: Timestamp of when you accepted/rejected cookies (1 year retention)
This data is stored only in your browser and is never transmitted to our servers without explicit action (e.g., contact form submission).
4. How We Use Your Information
- To improve and personalize your gaming experience
- To respond to your inquiries and customer service requests
- To measure the effectiveness of advertising campaigns via Google Ads
- To comply with legal obligations and enforce our Terms of Service
- To prevent fraudulent activity and secure our website
- To send you updates about our services (only with your consent)
5. Third-Party Services
Our website uses the following third-party services:
- Google Ads (Conversion Tracking): Conversion ID AW-18057374037. We use Google Ads to track conversions and measure advertising effectiveness. Google may place conversion tracking cookies on your device. Google Privacy Policy
- Google Fonts: We load fonts from Google's servers for better performance. Google Privacy Policy
- Font Awesome (Self-Hosted): We use self-hosted Font Awesome icons bundled with our website files. No external CDN requests are made for icons.
5a. Where Your Data Is Stored
Game Score Data: Your highest score is stored only on YOUR COMPUTER in your browser's localStorage. We do NOT have access to these scores on our servers.
Contact Form Data: When you submit the contact form, your message goes to getinfo@blockstackiing.com via email service.
Google Ads Data: Conversion tracking data is stored by Google. See Google's Privacy Policy for details on how they handle this data.
Consent Preferences: Your cookie consent preference is stored in your browser's localStorage only.
6. GDPR Rights (European Users)
If you are located in the European Economic Area (EEA), you have the following rights under GDPR:
- Right to Access: Request a copy of your personal data
- Right to Rectification: Correct inaccurate or incomplete data
- Right to Erasure: Request deletion of your personal data (with exceptions for legal obligations)
- Right to Restrict Processing: Limit how we process your data
- Right to Data Portability: Receive your data in a portable format
- Right to Object: Object to processing of your data for marketing purposes
- Right to Withdraw Consent: Withdraw cookie or marketing consent at any time
To exercise these rights, contact us at getinfo@blockstackiing.com.
7. Data Retention
We retain your personal data only as long as necessary to fulfill the purposes outlined in this policy:
- Contact Form Data: Retained for 90 days for customer service purposes
- Game Scores (localStorage): Retained indefinitely in your browser until cleared
- Cookies: See Cookie Policy for specific retention periods
- Google Ads Data: Retained by Google per their data retention policies
8. Security
We protect your data using standard security practices, like encryption and firewalls, to prevent theft or tampering. But honestly, no website is 100% hack-proof. If you're worried about super-sensitive information, be cautious about what you share online anywhere.
9. Children's Privacy
Block Stack is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that a child under 13 has provided us with personal information, we will delete such information immediately.
10. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last Updated" date. Your continued use of the website constitutes acceptance of the revised policy.
11. Contact Us
If you have questions about this Privacy Policy or our privacy practices, please contact us: