COLDCARD RNG incident the public record, collected and explained
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Informational only. This is an open source collection of what others have published about the incident, together with an explanation of it. It is not financial, security or legal advice, and not a substitute for professional advice about your own situation. It is not affiliated with, endorsed by, or speaking for Coinkite. Material is attributed and quoted as published; where sources disagree their scenarios are kept separate with their assumptions rather than reconciled into one answer. Everything is meant to be checked against the linked evidence rather than taken on trust. Act on your own judgement about a particular situation. Editorial standards and corrections.

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Coldcardwallet 2082961993070247948

coldcardwallet-2082961993070247948

https://x.com/COLDCARDwallet/status/2082961993070247948

Captured screenshot of the post by @COLDCARDwallet, posted 30 Jul 2026, 22:50 UTC
@COLDCARDwallet posted captured full-size capture → original post →
Author
@COLDCARDwallet
Organisation
independent
Evidence role
social statement
Posted
Capture status
capture held

Coinkite's initial advisory post: seeds generated on a Mk3 after firmware 4.0.1 may be at risk, with Mk4, Q and Mk5 stated as not affected based on early analysis.

This post is registered as evidence and has a locally held capture. The original remains the canonical publication.

How to check this yourself

Compare the screenshot or a quotation against the original while it is available.