Hackers have found a software flaw in Coldcard, a popular hardware Bitcoin wallet that is designed to keep cryptocurrency offline in "cold storage," and are stealing millions of dollars in an ongoing ...

Galaxy Research links 1,789 Bitcoin to the Coldcard hack, with 1,561 BTC still unspent in attacker-controlled addresses.

Over $70 million in Bitcoin has been pinched. Coldcard has since urged its users to take precautions. The popular Bitcoin hardware wallet Coldcard product, made by Coinkite, is at risk following a $70 ...

A wallet tied to the Coldcard hacker has received several deposits since July 30, with some carrying written messages attached via Bitcoin's OP_RETURN function. Messages range from genuine-sounding ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A catastrophic hack on Coldcard hardware wallets led to $130 million in Bitcoin being stolen ...

An ongoing attack against a popular Bitcoin wallet has already led to the theft of an estimated $89m, according to researchers. Coinkite’s Coldcard is a Bitcoin-only hardware wallet which came under ...

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Coldcard’s entropy bug guessed single-sig seeds and swept more than $100 million. Coordinators report zero losses from ...

Coldcard’s reported $100 million-plus exploit reframes institutional crypto custody as a governance problem, not a storage problem. Independent key generation, multi-party approvals, audit trails, ...

A long-dormant bitcoin wallet holding 500 BTC, inactive since 2013, moved all its funds on Monday amid a widening security crisis involving Coldcard hardware wallets. On-chain data show a notable ...