Privacy Policy

Last Updated: February 17, 2025

1. Introduction

CardChain.AI ("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 website, mobile application, and trading platform (collectively, the "Platform").

2. Information We Collect

2.1 Personal Information

  • Name, email address, and contact information
  • Payment information and transaction history
  • Government-issued identification for KYC compliance
  • Blockchain wallet addresses
  • Images of trading cards you submit for grading
  • Device information and IP addresses

2.2 Trading Card Data

  • High-resolution images of cards submitted for grading
  • Grading history and authentication results
  • Transaction records and ownership history
  • Digital asset (NFT) information
  • Portfolio composition and trading activity

2.3 Automatically Collected Information

  • Usage patterns and Platform interaction data
  • Device specifications and operating system information
  • Browser type and version
  • Network information and connection data
  • Cookie and tracking technology data

3. How We Use Your Information

3.1 Core Services

  • Provide AI-powered card grading services
  • Process and record blockchain transactions
  • Maintain your digital portfolio
  • Execute smart contracts for trading
  • Verify card authenticity and ownership
  • Generate market insights and valuations

3.2 Platform Improvement

  • Train and improve our AI grading algorithms
  • Enhance platform security and fraud detection
  • Develop new features and services
  • Analyze platform performance and usage patterns
  • Debug technical issues

3.3 Communication

  • Send transaction confirmations and updates
  • Provide customer support
  • Share platform announcements and updates
  • Deliver marketing communications (with consent)
  • Respond to your inquiries

4. Blockchain Data Privacy

4.1 Public Blockchain Information

  • Transaction records on public blockchains are visible to all network participants
  • Wallet addresses and transaction amounts are publicly viewable
  • Smart contract interactions are recorded on-chain
  • NFT ownership and transfer history is public

4.2 Private Information

  • Card grading data and detailed card images are stored off-chain
  • Personal identification information is never stored on-chain
  • Private keys and authentication credentials are secured locally
  • Private channels maintain transaction confidentiality when needed

5. AI Data Usage

5.1 Training Data

  • Card images are used to improve AI grading accuracy
  • Personal information is never used for AI training
  • Grading results are anonymized for model improvement
  • All submitted card data contributes to AI system enhancement

5.2 AI Processing

  • Card grading uses computer vision technology
  • Fully automated grading process with no human review
  • Grading algorithms are regularly audited for accuracy
  • Results are final and based on objective AI analysis

6. Data Sharing and Disclosure

6.1 Third-Party Service Providers

  • Payment processors for transaction handling
  • Cloud service providers for infrastructure
  • Analytics services for platform improvement
  • Customer support tools
  • Marketing service providers (with consent)

6.2 Legal Requirements

  • To comply with legal obligations
  • In response to valid law enforcement requests
  • To protect our rights, privacy, safety, or property
  • To detect and prevent fraud or security breaches

7. Data Security

7.1 Technical Measures

  • Enterprise-grade security infrastructure
  • Multi-factor authentication
  • End-to-end encryption for sensitive data
  • Regular security audits and penetration testing
  • Automated fraud detection systems
  • Multi-chain security protocols
  • Cross-chain transaction verification

7.2 Organizational Measures

  • Employee access controls and training
  • Regular security assessments
  • Incident response procedures
  • Data backup and recovery systems
  • Blockchain security monitoring

8. Your Rights and Choices

  • Access your personal information
  • Correct inaccurate data
  • Request deletion of your data
  • Opt out of marketing communications
  • Export your data
  • Control cookie preferences

9. Children's Privacy

We do not knowingly collect or maintain information from persons under 13 years of age. If we learn that personal information of persons under 13 has been collected on our Platform, we will take appropriate steps to delete this information.

10. International Data Transfers

We may transfer your information internationally in compliance with applicable data protection laws. We ensure appropriate safeguards are in place for international data transfers.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

12. Contact Us

For any questions about this Privacy Policy or our privacy practices, please contact us at:

  • Email: privacy@cardchain.ai

13. California Privacy Rights

California residents may have additional rights regarding their personal information under the California Consumer Privacy Act (CCPA). Please contact us for more information about your California privacy rights.