bitcoin theft
Coldcard Hack Exposes $130M Bitcoin Theft as Market Watches
A five-year-old vulnerability in Coldcard hardware wallets has triggered three waves of coordinated attacks over the past week, with blockchain-monitoring firms now estimating total losses at more than $130 million in Bitcoin stolen from approximately 4,585 addresses. The exploit, which affected firmware version 4.0.1 released in March 2021, compromised the wallet seed generation process on...
Here’s What Happened in Crypto Today
A major Bitcoin theft from hardware wallet provider Coldcard has reignited custody debates within the crypto industry, while the Senate’s CLARITY Act heads toward a critical August 10 vote that could reshape digital asset regulation. Meanwhile, market conditions remain sluggish despite notable gainers like Robinhood’s token, which surged 445% even as XRP failed to capitalize...
Coldcard Hack: $116M Bitcoin Theft Tilts Custody Debate
Bitcoin hardware wallet users suffered nearly $116 million in losses after a critical flaw in Coldcard devices enabled hackers to drain over 5,200 addresses in coordinated waves since July 30. The breach, stemming from a 2021 firmware vulnerability that generated wallet seeds with insufficient entropy, has reignited a debate within the crypto industry about the...
$86M Coldcard Hack Reignites Self-Custody Security Debate
Approximately 1,367 Bitcoin worth $86 million to $89 million has been stolen from more than 4,500 Coldcard hardware wallet users following a firmware vulnerability discovered in devices manufactured by Canada-based Coinkite Inc. The breach, which unfolded in three distinct waves beginning July 30, 2026, has reignited debate over the security trade-offs inherent in self-custody while...
$75M Coldcard Hack Exposes 2021 Firmware Flaw, Tests Bitcoin Security
A $75 million Bitcoin theft from Coldcard hardware wallets exposed a critical firmware vulnerability dating back to March 2021, prompting an emergency response from manufacturer Coinkite and raising urgent questions about the security of devices that hold custody over billions in cryptocurrency. The attack, which unfolded across two waves and involved seed compromise affecting at...
Coldcard Hack Exposes $70M Vulnerability in Hardware Wallets
A critical vulnerability in Coldcard hardware wallets has exposed a design flaw that allowed attackers to steal approximately 594 bitcoins—worth roughly $38 million at theft time, though later analysis suggests the total may exceed $70 million—from nearly 500 single-signature wallets in a 25-minute window on July 30. The breach, disclosed by Canadian hardware wallet manufacturer...