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Bitcoin community responds swiftly to Coldcard exploit as 1,367 BTC drained from vulnerable wallets

A Coldcard firmware bug reduced seed entropy from 128 to 72 bits, enabling attackers to drain 1,367 BTC worth $89M from over 4,500 wallets.

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Bitcoin community responds swiftly to Coldcard exploit as 1,367 BTC drained from vulnerable wallets

Coldcard bug (March 2021) cut seed entropy to 72 bits; 1,367 BTC stolen from 4,500+ wallets since July 30. Full seed regeneration needed; patches won't fix compromised keys. Rapid detection confirms open-source code beats proprietary wallet security models.

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venerdì 31 luglio 2026·bitcoinmagazine.com
Coldcard Wallet Flaw Exposes Years Of Bitcoin Seeds After $70M In BTC Stolen
Over $70 million in Bitcoin has been pinched. Coldcard has since urged its users to take precautions.
venerdì 31 luglio 2026·coindesk.com
Coldcard exploit reignites Bitcoin self-custody debate after $38 million theft
A software bug in popular hardware wallet Coldcard that led to the theft to this point of nearly 600 bitcoin worth roughly $38 million is prompting questions about security and…

Bitcoin community responds swiftly to Coldcard exploit as 1,367 BTC drained from vulnerable wallets

Confronto fonti

Bitcoin community responds swiftly to Coldcard exploit as 1,367 BTC drained from vulnerable wallets

Timeline cronologica

Coldcard Wallet Flaw Exposes Years Of Bitcoin Seeds After $70M In BTC Stolen

Coldcard exploit reignites Bitcoin self-custody debate after $38 million theft

Coldcard Hardware Wallet Flaw Linked to $70 Million Bitcoin Theft in 41 Minutes

A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88…

The Coldcard Exploit Explained: Who Lost Bitcoin and Who's at Risk

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Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million

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A Coldcard firmware flaw let hackers drain $70 million in Bitcoin in 41 minutes, with losses now topping $88 million

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