A Coldcard firmware bug may have let attackers steal roughly $70 million in bitcoin in under an hour, and the company says attacks are still ongoing.

A group of developers is scanning Bitcoin for AI-discoverable flaws, warning powerful models have handed hackers ...

"It exposes the fallacy of your crypto being offline." ...

・Strike CEO Jack Mallers called the Coldcard wallet exploit “one of the most serious Bitcoin wallet security breaches to date.” ・The wallet seeds could be created using a weak deterministic RNG ...

Owners of a popular bitcoin storage device are being urged to protect their cryptocurrency after security researchers said a software flaw may have allowed attackers to steal roughly $70 million worth ...

The developers of the Coldcard bitcoin wallet urged users to move their funds amid an exploit that has already drained as much as $114 million from self-custodied wallets. The vulnerability affects ...

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The above button links to Coinbase. Yahoo Finance is not a broker-dealer or investment adviser and does not offer securities or cryptocurrencies for sale or facilitate trading. Coinbase pays us for ...

Coldcard firmware flaw led to the theft of at least $38 million in bitcoin, one of the biggest failures of Bitcoin self-custody to date. Security experts say the hack highlights growing operational ...

A week-long streak of inflows into US spot Bitcoin ETFs has coincided with the Coldcard wallet exploit, fueling debate over whether some investors are shifting away from self-custody. Demand for US ...

The Binance founder who has seen four full crypto cycles just weighed in on the biggest hardware wallet failure in Bitcoin history. His advice is uncomfortable but hard to argue with.

A Bitcoin logo is displayed at the Bitcoin Asia 2025 conference at the Hong Kong Convention and Exhibition Centre in Hong Kong on August 28, 2025. Vernon Yuen/AFP via Getty Images Bitcoin closed July ...