Hacker News·4 min read·hard
Lines of code. 1,596 BTC gone
A
Archie627
✦AI Summary
A critical security vulnerability in COLDCARD hardware wallets allowed attackers to drain 1,596 BTC due to a firmware change that weakened random number generation. The flaw, which went unnoticed for five years, highlights the risks of software-based entropy in hardware security.
Two files, four lines, five years unnoticed. This is the COLDCARD entropy failure taken apart step by step — what the defect was, how attackers found the wallets, what affected owners should do — and the four checks OneKey runs so the same thing cannot happen here quietly.
technologycrypto
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