docs: add Coldcard Mk3 seed-entropy security warning to SIGNING_DEVICES - #2242
Open
nrobi144 wants to merge 2 commits into
Open
docs: add Coldcard Mk3 seed-entropy security warning to SIGNING_DEVICES#2242nrobi144 wants to merge 2 commits into
nrobi144 wants to merge 2 commits into
Conversation
Collaborator
|
Thanks for taking the time to do it. I think it's good to have a warning about it. Maybe we should also point to our own blog post which contains more specific info to Liana users. |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
Adds a security warning to the Coldcard section of
doc/SIGNING_DEVICES.md.In July 2026 Coinkite disclosed a firmware build error that reduced generated-seed entropy on Coldcard Mk3 (firmware 4.0.1–5.0.3) and pre-fix Mk4/Q. Users who set up a Coldcard for a Liana wallet may hold funds on an affected seed. This adds a one-line
WARNING:(matching the existing style used for the Jade section) linking the advisory.Docs-only change. Refs #2241.