Coinkite disclosed a Coldcard firmware flaw on July 30 that could generate Bitcoin wallet seeds with insufficient entropy, and researchers linked three waves of thefts totaling 1,367 BTC (about $88.6 …
The Coldcard Bitcoin hardware wallet exploit has surpassed $89 million in losses, with Galaxy Research tracking roughly 1,367 BTC stolen across 4,585 addresses and warning that a potential fourth wave…
Hackers drained 18.25245043 BTC (over $1.6 million CAD) from Canadian entrepreneur Jonathan Goodman's offline Bitcoin wallet in seven minutes on July 29, 2026, exploiting a 2021 firmware flaw in his C…
Small Bitcoin transfers spiked to 39,600 BTC on July 31, the highest since FTX's collapse, as holders moved funds following news that Coldcard hardware wallets generated guessable keys, according to C…
Galaxy Research reports that an ongoing exploit of Coldcard hardware wallets has ballooned to approximately $88.6 million, with 1,367 BTC stolen across 4,585 addresses in three waves. The flaw stems f…
Coinkite, the Canadian manufacturer of Coldcard hardware wallets, disclosed a critical security flaw that allowed attackers to drain approximately 1,128.4717 $BTC (worth about $71.1 million) from over…
Coinkite's Coldcard hardware wallet had a firmware flaw dating back to 2021 that could skip the internal hardware random-number generator, enabling attackers to narrow down wallet keys and steal an es…
Coinkite, the maker of Coldcard hardware wallets, reported that a build error caused seeds to be drawn from a software fallback instead of the hardware generator, leading to an estimated loss of 594 B…