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Coldcard breach: How hackers stole $89M from Bitcoin's 'safest' storage

Nearly $70 million in Bitcoin was stolen in just 41 minutes after attackers exploited a vulnerability in Coldcard hardware wallets' offline key generation process.

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Coldcard breach: How hackers stole $89M from Bitcoin's 'safest' storage

Coldcard vulnerability: weak firmware RNG let attackers predict keys and steal 1,367 Bitcoin ($89M) from 4,585 MK2-MK5 wallets. Firmware security audits now critical for enterprise cold-storage procurement; vendor build decisions reshape custody assumptions.

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Timeline cronologica

venerdì 31 luglio 2026·cryptobriefing.com
Coinkite reports $38M in Bitcoin drained due to Coldcard key generation flaw
Coinkite disclosed a Coldcard firmware flaw dating to 2021 that let an attacker drain 594 BTC worth $38M from nearly 500 wallets in under 30
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.

Coldcard breach: How hackers stole $89M from Bitcoin's 'safest' storage

Confronto fonti

Coldcard breach: How hackers stole $89M from Bitcoin's 'safest' storage

Timeline cronologica

Coinkite reports $38M in Bitcoin drained due to Coldcard key generation flaw

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

Coldcard hack steals $86 million in bitcoin from more than 4,500 wallets

Hackers exploit Coldcard firmware flaw, stealing $89 million in Bitcoin from thousands of wallets

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

How bitcoin cold wallets lost $70 million in an attack that never touched the devices

COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

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

Coldcard Bug Exposes The New Reality: AI Is Auditing Every Open-Source Wallet

Bitcoin losses linked to Coldcard vulnerability grow to $70 million, Galaxy Research says

Coldcard Bitcoin Thief Likely Used Top Blockchain Services Provider

Coldcard Attacker Stole $30M in 10 Minutes by Targeting Big Wallets

Block traces COLDCARD attacker to blockchain services provider after $38M Bitcoin theft

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

How bitcoin cold wallets lost $70 million in an attack that never touched the devices

Binance's CZ warns users to split funds after $70M Coldcard exploit

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

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

Galaxy Research identifies 1,367 BTC drained in attacks on Coldcard addresses

"Nothing Is 100%": CZ Warns Bitcoin Holders After $89 Million Coldcard Wallet Exploit

Coldcard Bitcoin Exploit Balloons to $88 Million as Attackers Keep Draining Wallets - Decrypt

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

COLDCARD wallet RNG flaw likely linked to $88 million Bitcoin theft

Coldcard Hacker Gets Brazen Bitcoin Laundering Offer Onchain

COLDCARD Predictable RNG: From Seed Recovery to About $8.86M Bitcoin Theft