Privacy Policy

Last Updated: November 10, 2025

Data Protection

We use industry-standard encryption and security measures

Transparency

Clear information about what data we collect and why

Your Control

You can access, export, or delete your data anytime

1. Introduction

Qubital Inc. ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our quantum computing marketplace platform (the "Services").

By using our Services, you agree to the collection and use of information in accordance with this policy. If you do not agree with our policies and practices, do not use our Services.

2. Information We Collect

2.1 Information You Provide

Account Information: Name, email address, username, password
Payment Information: Billing details (processed by Stripe, we don't store card numbers)
Profile Information: Optional profile details, organization name
Communications: Messages, feedback, support requests
Wallet Information: Cryptocurrency wallet addresses (if using Web3 login)

2.2 Information Automatically Collected

Usage Data: Quantum jobs submitted, circuits created, providers used
Technical Data: IP address, browser type, device information
Performance Data: Job execution times, success rates
Analytics: How you interact with our Services

2.3 Quantum Computing Data

Quantum Circuits: QASM code and circuit designs you create
Job Results: Quantum computation results and measurements
Algorithm Templates: Templates you create or purchase

3. How We Use Your Information

We use your information to:

Provide, maintain, and improve our Services
Process quantum computing jobs on your behalf
Process payments and maintain billing records
Send you service updates, security alerts, and support messages
Respond to your comments, questions, and customer service requests
Analyze usage patterns to improve user experience
Detect, prevent, and address technical issues and security threats
Comply with legal obligations
Enforce our Terms of Service

4. How We Share Your Information

4.1 Quantum Providers

We share your quantum circuits and job data with third-party quantum computing providers (IBM Quantum, IonQ, Rigetti, AWS Braket, etc.) to execute your quantum computations. Each provider has their own privacy policy.

4.2 Service Providers

We share data with trusted third parties who help us operate our Services:

Stripe: Payment processing
Cloud Infrastructure: AWS, hosting providers
Analytics: Usage analysis and performance monitoring

4.3 Legal Requirements

We may disclose your information if required by law, court order, or to protect our rights, property, or safety.

4.4 Business Transfers

If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

We do NOT sell your personal information to third parties.

5. Data Security

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

Encryption: Data in transit (HTTPS/TLS) and at rest
Access Controls: Limited access to personal data
Authentication: Secure password hashing (bcrypt)
Monitoring: Security monitoring and threat detection
Backups: Regular encrypted backups

Note: No method of transmission over the Internet is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

6. Data Retention

We retain your information for as long as necessary to:

Provide you with our Services
Comply with legal obligations
Resolve disputes and enforce agreements

When you delete your account, we will delete or anonymize your personal information within 30 days, except for data we must retain for legal or regulatory reasons.

7. Your Privacy Rights

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

7.1 General Rights

Access: Request a copy of your personal data
Correction: Request correction of inaccurate data
Deletion: Request deletion of your data
Export: Download your data in a portable format
Opt-Out: Unsubscribe from marketing communications
Object: Object to processing of your data

7.2 EU/UK Users (GDPR)

If you are in the EU or UK, you have additional rights under GDPR, including the right to lodge a complaint with your supervisory authority.

7.3 California Residents (CCPA)

California residents have the right to know what personal information we collect, request deletion, and opt-out of sales (we don't sell your data).

To exercise these rights, email us at privacy@qubital.com or use your account settings.

8. Cookies and Tracking

We use cookies and similar technologies to:

Keep you logged in
Remember your preferences
Analyze how you use our Services
Improve security

You can control cookies through your browser settings. However, disabling cookies may limit your ability to use certain features.

9. Children's Privacy

Our Services are not intended for individuals under 18 years of age. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

10. International Data Transfers

Your information may be transferred to and processed in the United States or other countries where our service providers operate. We ensure appropriate safeguards are in place for such transfers.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of material changes via email or through the Services. Your continued use after changes constitutes acceptance of the updated policy.

12. Contact Us

If you have questions about this Privacy Policy or our privacy practices:

Privacy Email: privacy@qubital.com
Support Email: support@qubital.com
Address: Qubital Inc., Savannah, Georgia, United States