Privacy Policy


Effective Date: May 22nd, 2025

Version: 1.0

This Privacy Policy explains how Circular Global Ledgers Inc. (“Circular”, “we”, “us”, or “our”) collects, uses, and protects personal information in connection with the iStamp service (“iStamp” or the “Service”). By using iStamp, you agree to the terms set forth below. If you are using iStamp on behalf of an organization, you are responsible for ensuring that your use complies with applicable data protection laws.

1. What iStamp Does

iStamp enables users to certify the integrity of digital records by creating a cryptographic hash and anchoring it to the Circular blockchain. The original file or data is never stored, transmitted, or accessed by Circular.

2. Data We Collect

Circular does not collect or store the content of any files submitted through iStamp. We also do not collect any API usage metrics or browser/device metadata such as IP address, browser type, or operating system.

The only personal data we may collect is:

3. How We Use Your Information

We use the minimal information we collect solely to:

We do not sell or share personal data for advertising or marketing purposes.

4. Data Certification and Blockchain Use

iStamp certifies data by generating a cryptographic hash of user-submitted content and anchoring it to the Circular blockchain. These hashes:

5. Data Retention

We retain user account and billing information only as long as necessary to provide the service, comply with applicable laws, and support auditing or dispute resolution. We do not retain or view the contents of any certified file or payload.

6. Your Rights

Depending on your jurisdiction, you may have the right to:

To exercise your rights, please contact administration@circularlabs.io.

7. Security

We implement appropriate technical and organizational safeguards to protect the information we manage. While we aim to follow best practices, we do not currently engage in third-party security audits. As with all internet-based services, no method of transmission or storage is entirely secure. Use of the Service is at your own risk.

8. Third-Party Services

We may use trusted service providers for infrastructure or billing. These providers are contractually bound to process personal data only as necessary to perform their functions and in compliance with applicable law.

9. International Data Transfers

Circular Global Ledgers Inc. is headquartered in Delaware, United States, and your information may be processed or stored in the U.S. or other jurisdictions. Where applicable, we implement appropriate safeguards to comply with international data protection laws.

10. Children’s Privacy

iStamp is not intended for use by individuals under the age of 18. We do not knowingly collect or process personal data from children.

11. Changes to This Policy

We may update this Privacy Policy from time to time. If changes are significant, we will notify users through the Service or by email. Continued use of iStamp after such updates constitutes acceptance of the revised policy.

12. Contact Us

For questions or concerns about this Privacy Policy, please contact:
administration@circularlabs.io

Circular Global Ledgers Inc.
16192 Coastal Highway, Lewes, Delaware 19958, United States