A vulnerability in the random number generation process of Coldcard hardware wallets has led to the theft of approximately 1,800 Bitcoin, valued at around $116 million. The flaw, introduced in a 2021 software update, allowed attackers to systematically predict recovery phrases and access funds from affected cold storage wallets. Coldcard manufacturer Coinkite has acknowledged the issue and released a firmware update, urging users to migrate their funds immediately. This incident is part of a broader trend of increasing cryptocurrency thefts, with over $972 million stolen in the first half of the year across 207 separate attacks. AI
IMPACT Highlights ongoing security challenges in digital asset storage, impacting user trust and potentially driving demand for more robust security solutions.
RANK_REASON Security exploit affecting a widely used hardware wallet with significant financial loss. [lever_c_demoted from significant: ic=2 ai=0.1]
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