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CustodyStress — Bitcoin Custody Survivability Diagnostic
Last updated: February 2026
CustodyStress is designed to model Bitcoin custody survivability while minimizing data exposure. This Privacy Policy explains what information is and is not collected and how data is handled in connection with the assessment.
CustodyStress operates as a local, client-side diagnostic instrument.
The assessment is intentionally designed to avoid collecting sensitive or identifying information. CustodyStress does not require account creation to run the assessment and does not retain assessment data on its servers.
CustodyStress does not collect, request, or store:
The assessment is not designed to receive sensitive information.
Assessment responses are processed locally in your browser.
If local storage is used (for example, to allow review of inputs during an active session), it remains on your device and is not accessible to CustodyStress.
CustodyStress does not use tracking cookies or third-party analytics by default.
If analytics, performance monitoring, or error logging are introduced in the future, this Privacy Policy will be updated to reflect those changes.
The site loads fonts from Google Fonts, which may receive standard connection metadata (IP address, referrer) under Google's privacy policy. No assessment data is included in these requests.
If the optional translation feature is used, page content is processed by Google Translate under Google's privacy policy. Translation is user-initiated and not required for assessment operation.
Paid access is processed by a third-party payment provider.
CustodyStress does not receive, store, or process payment card data. Third-party payment providers' privacy policies govern payment processing.
The Integrity Digest is computed locally at issuance and binds declared inputs and Methodology Version to the generated artifacts.
The Integrity Digest does not transmit declared inputs to CustodyStress and does not allow reconstruction of inputs by CustodyStress.
CustodyStress produces reference artifacts intended for download, printing, or offline storage.
You are responsible for:
CustodyStress does not retain copies of generated artifacts and cannot recover them if they are lost or deleted.
CustodyStress does not sell, rent, or share user data.
Because assessment data is processed locally, CustodyStress does not possess assessment data to disclose or distribute.
CustodyStress is designed to minimize data exposure, but no software environment is entirely risk-free.
You are responsible for:
CustodyStress is not intended for use by individuals under the age of 18.
Updates to this Privacy Policy apply prospectively and do not alter the data handling characteristics of previously issued Custody Records.
Any changes will be reflected on this page with an updated revision date.
If you have questions about this Privacy Policy, you may contact:
This Privacy Policy should be read alongside the Methodology, Terms of Use, and Legal Disclaimer pages.
Together, these documents describe how CustodyStress operates, what it models, and what it does not do.
This site is in English. The English version of this site and its documents is the canonical source for interpretation.