500 Cold Wallets Drained Overnight: What you can do right now!
Bitcoin Well Podcast
- Published
- July 31, 2026
- Duration
- 28:21
- Summary source
- description
- Last updated
- Jul 31, 2026
Discusses society, culture.
Summary
This is not a drill. On July 30th, 594 Bitcoin — roughly $38 million — was swept from 500 wallets in about 25 minutes. Nobody was phished. Nobody's device was touched. A firmware bug in Coldcard meant the random numbers generating people's seed phrases weren't actually random. A predictable seed is a math problem an attacker can solve. Zach — who owns a M…
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Show notes
This is not a drill. On July 30th, 594 Bitcoin — roughly $38 million — was swept from 500 wallets in about 25 minutes. Nobody was phished. Nobody's device was touched. A firmware bug in Coldcard meant the random numbers generating people's seed phrases weren't actually random. A predictable seed is a math problem an attacker can solve. Zach — who owns a Mark III — breaks format to give you the immediate action steps first, then walks through the full timeline, the entropy failure explained simpl
Themes
- society
- culture