​
Privacy Policy

Chainstream (“we,” “our,” or “us”) provides a real-time blockchain data streaming platform for developers, analysts, and institutions. This Privacy Policy is intended to help you understand how we collect, use, and disclose your personal information and how you can exercise your privacy rights.

​
Scope

This Privacy Policy applies to personal information we collect through our website, documentation portal, APIs, terminals, SDKs, and any associated services (collectively referred to as the “Services”).

​
Changes to this Privacy Policy

We may revise this Privacy Policy at any time. If material changes are made, we will notify you via email or by updating the policy date. Your continued use of our Services constitutes your acceptance of the updated terms.

​
Information We Collect

Information You Provide to Us

  • Account Registration: When you register for a Chainstream account, we collect your name, email, organization name (optional), password, and blockchain wallet addresses (where applicable).
  • API Usage: When requesting API keys or accessing paid features, we may collect billing information and payment details.
  • Support and Communications: If you contact us for support or feedback, we collect your communications and any additional data you provide.
  • Token Submissions: If you submit token updates or use services like our Token Info Update Service, we may collect metadata, token images, social links, and related information.

Information We Collect Automatically

  • Log Data: Includes IP address, browser type, operating system, referring URLs, device identifiers, timestamps, API call metrics, and user agent.
  • Usage Analytics: We automatically track API usage (including topic subscriptions, query volumes, and response times) to improve performance and ensure fair usage.
  • Cookies and Tracking Technologies: We use cookies and similar technologies to enhance user experience, analyze usage, and personalize content. These include essential, analytics, and preference cookies.

Information from Third Parties

  • Integrations: When you integrate your Chainstream account with third-party tools (e.g., wallets, exchanges), we may receive related data as permitted by those services.
  • Publicly Available Blockchain Data: We index and associate blockchain data that is already publicly accessible, including wallet addresses and transaction histories.

​
How We Use Information

Data Usage Purposes

We use the information we collect to:
  • Provide, maintain, and improve our Services
  • Manage user accounts and authenticate logins
  • Monitor and enforce API rate limits and fair usage
  • Respond to user inquiries and provide technical support
  • Send service-related notices and communications
  • Process billing and subscription-related tasks
  • Conduct internal analytics and develop new features
  • Enforce our Terms of Service and prevent fraud

​
How We Share Information

Service Providers

We share information with third-party providers who help us operate and secure our Services, such as:
  • Hosting and cloud infrastructure providers
  • Payment processors
  • Customer support platforms
  • Analytics tools

Business Partners

We may share anonymized or aggregated usage data with partners to improve joint offerings or analytics platforms.

Legal Requirements

We may disclose your information to comply with applicable laws, regulations, legal processes, or governmental requests, or to protect the rights and safety of Chainstream and our users.

Business Transfers

If Chainstream is involved in a merger, acquisition, asset sale, or bankruptcy, your data may be transferred to the acquiring entity.

​
Your Privacy Choices and Rights

Cookie Preferences

You can manage cookie settings directly in your browser or via our cookie banner (where applicable).

Account Information

You can update or delete your account information at any time by logging into your Chainstream account. To request deletion, email us at privacy@chainstream.io.

Communication Preferences

You may opt out of marketing emails by clicking the “unsubscribe” link in any marketing communication. You will still receive essential service-related emails.

Data Subject Rights

Depending on your jurisdiction, you may have rights including:
  • Accessing the personal data we hold about you
  • Requesting correction or deletion of your data
  • Objecting to or restricting certain data uses
  • Requesting data portability
To exercise these rights, contact privacy@chainstream.io. We will verify your identity and respond as required by law.

​
Important Notices

Data Security

We use industry-standard technical and organizational measures to protect your data from loss, misuse, and unauthorized access. However, no system is completely secure. You are responsible for keeping your credentials confidential.

International Transfers

Our Services are operated globally. If you are accessing the Services from outside the United States, you understand and consent to the transfer, storage, and processing of your data in the U.S. or other countries with different data protection laws.

Data Retention

We retain your data only as long as necessary to provide our Services and fulfill the purposes outlined in this Privacy Policy, unless a longer retention period is required by law.

Children's Privacy

Chainstream is not directed to individuals under 13 years of age, and we do not knowingly collect personal information from children. If we become aware that we have collected such data, we will delete it promptly.
Third-Party Links: Our Services may contain links to external websites or tools not operated by Chainstream. We are not responsible for the content or privacy practices of these third parties.