COLDCARD RNG incident the public record, collected and explained
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Afilini 2085028027499413710

afilini-2085028027499413710

https://x.com/afilini/status/2085028027499413710

Captured screenshot of the post by @afilini, posted 5 Aug 2026, 15:39 UTC
@afilini posted captured full-size capture → original post →
Author
@afilini
Organisation
independent
Evidence role
independent-technical-analysis
Posted
Capture status
capture held

Alekos Filini restating his report as a thread after judging the long form harder to follow, opening on the point that COLDCARD previously had two RNG sources, tcc from trezor-crypto and ckcc implemented in the firmware, both safe TRNG sources. The accessible entry point to the analysis registered at afilini-seed-rng-migration-report.

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

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