COLDCARD vulnerability what happened, and what to do
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Reported reproduction cost

praveenperera-reproduction-cost

https://x.com/PraveenPerera/status/2082995029467942947

Author
@PraveenPerera
Organisation
independent
Evidence role
independent-reproduction
Posted
31 Jul 2026, 01:01 UTC
Capture status
capture held
Artefacts held
2

Adds scope and cost to Perera's earlier report: index-zero addresses against a known stolen set, two recovered keys associated with about 34 BTC, roughly five minutes and less than US$5 of GPU time. The post also gives urgent dice and passphrase advice, which remains an attributed recommendation.

This post is registered as evidence and has locally held capture artefacts. The original remains the canonical publication; hashes below identify the files held by this project.

How to check this yourself

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