Coldcard's Random Number Flaw: You Followed Every Self-Custody Rule and Still Got Exposed
Episode Summary
AI-assisted code review just exposed a flaw in Coldcard's random number generator, one that could expose seed phrases for anyone who didn't use dice-roll entropy. The unsettling part: you could follow every piece of standard self-custody advice and still be exposed. No senior engineer, no weeks of paid research, just a computer pointed at an open source repo overnight. The timing lands right in the middle of the BIP-110 debate and MSTR earnings, when the whole pitch has been "get off exchanges, self-custody everything.
About This Episode
This episode of The Daily Stack covers topics related to Bitcoin and cryptocurrency. Watch the full episode above for the complete discussion.
Episode Details
- Title
- Coldcard's Random Number Flaw: You Followed Every Self-Custody Rule and Still Got Exposed
- Channel
- The Daily Stack
- Published
- August 22, 2026
- Duration
- 2:22
- YouTube ID
- bOiREQyTk5E
Explore More Bitcoin Content
Discover more Bitcoin podcasts, interviews, and educational content on 21Rates. We curate the best cryptocurrency video content to help you stay informed about the Bitcoin ecosystem.