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Overview

ChainGuard is committed to protecting your privacy. This policy explains how we collect, use, and safeguard personal information when you use the ChainGuard extension and related services.

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Information we collect

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Account information

  • Email address
  • Name (optional)
  • Payment information
  • Company details for enterprise accounts

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Usage data

  • API request logs
  • Wallet addresses you ask us to analyze
  • Feature usage patterns
  • Device and browser information
  • IP addresses

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Technical data

  • Performance metrics
  • Error logs
  • Authentication tokens
  • Session information

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How we use data

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Service delivery

  • Provide and maintain platform functionality
  • Process API requests and security analyses
  • Generate analytics and insights
  • Send transaction and security notifications

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Platform improvement

  • Analyze usage patterns
  • Improve AI models
  • Optimize performance
  • Develop new features

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Communication

  • Send service updates and announcements
  • Respond to support requests
  • Deliver marketing communications if you opt in
  • Share security alerts

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Compliance

  • Detect and prevent fraud
  • Enforce terms of service
  • Comply with legal obligations
  • Protect user rights and safety

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Data sharing

We do not sell personal data. Limited sharing occurs with:

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Service providers

  • Cloud infrastructure providers
  • Payment processors
  • Analytics tools that use aggregated or anonymized data
  • Email service providers
  • Law enforcement requests with valid legal orders
  • Compliance with court orders
  • Protection of our legal rights
  • Emergency situations involving safety

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Business transfers

If we are involved in a merger, acquisition, or asset sale, user data may transfer to the new entity with continued privacy protections.

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Data security

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Technical measures

  • TLS 1.3 encryption for data in transit
  • AES-256 encryption for data at rest
  • Multi-factor authentication support
  • Regular security audits and penetration testing

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Access controls

  • Role-based access limitations
  • Audit logging of administrative actions
  • Background checks for employees with data access

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Incident response

  • 24/7 security monitoring
  • Incident response procedures
  • User notification within 72 hours of a confirmed breach
  • Coordination with regulatory authorities

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Data retention

  • Account information: Duration of account plus 90 days.
  • API request logs: 90 days (Free), up to 5 years (Enterprise).
  • Billing records: 7 years (legal requirement).
  • Support communications: 3 years.
  • Anonymized analytics: Indefinitely.

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Your rights

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Access and portability

You can request a copy of your personal data in a machine-readable format.

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Correction

You can update inaccurate or incomplete information through account settings or by contacting support.

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Deletion

You can request account deletion. We may retain some data to meet legal obligations.

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Opt-out

You can unsubscribe from marketing emails using the link in the footer or account preferences.

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Restriction

You can request limitation of processing for specific purposes.

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Cookies and tracking

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Essential cookies

We use essential cookies for authentication, security, and core functionality.

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Analytics cookies

We use analytics cookies to understand usage patterns and improve the service. You can disable these in your browser settings.

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Marketing cookies

We use marketing cookies only if you opt in.

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International transfers

Your data may be processed in countries outside your residence. We use appropriate safeguards such as standard contractual clauses and data processing agreements.

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Children’s privacy

ChainGuard is not intended for users under 18. We do not knowingly collect personal data from children.

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California privacy rights (CCPA)

California residents have additional rights:
  • Right to know what data we collect
  • Right to delete personal information
  • Right to opt out of sale of personal information (we do not sell data)
  • Right to non-discrimination
Submit requests by emailing [email protected].

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European privacy rights (GDPR)

EU and EEA users have rights to:
  • Access, rectification, and erasure
  • Data portability
  • Restrict or object to processing
  • Withdraw consent
  • Lodge complaints with a supervisory authority
Contact our EU representative at [email protected].

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Changes to this policy

We may update this policy periodically. We will notify you of material changes through:
  • Email to registered users
  • Prominent notice on our website
  • 30-day advance notice for substantial changes
Continued use after changes constitutes acceptance.

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Contact

Privacy officer: [email protected] EU representative: [email protected] Mailing address: ChainGuard Inc., 123 Blockchain Avenue, San Francisco, CA 94103 Last updated: February 9, 2026

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Next steps