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Bitcoin Worth $86 Million Stolen From Coldcard Crypto Wallets, Company Halts Shipments, Destroys Remainin

Alex Thorn, Head of Research at Galaxy Research, said late Sunday, July 2, that hackers may be launching a fourth coordinated attack on the compromised Coldcard wallet, which has already seen around 1,367 Bitcoin drained.

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Bitcoin Worth $86 Million Stolen From Coldcard Crypto Wallets, Company Halts Shipments, Destroys Remainin

Coldcard users lost 1,367 BTC ($86.6M) in coordinated attacks; the company halted shipments and destroyed remaining vulnerable units. Self-custody's core weakness emerged: software patches cannot fix previously generated air-gapped wallets, leaving users to manually secure funds.

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venerdì 31 luglio 2026·coindesk.com
Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep
A hardware wallet randomness bug turned “impossible to guess” seeds into guessable ones, and $38 million is already gone.
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

Bitcoin Worth $86 Million Stolen From Coldcard Crypto Wallets, Company Halts Shipments, Destroys Remainin

Confronto fonti

Bitcoin Worth $86 Million Stolen From Coldcard Crypto Wallets, Company Halts Shipments, Destroys Remainin

Timeline cronologica

Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep

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

Coldcard Bitcoin Theft Continues, Estimated Over $114 Million Stolen

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

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

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

Galaxy Maps Coldcard Bitcoin Losses After Wallet Incident

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

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

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

Coldcard Hack Expands as Bitcoin Losses Reach $88.6M

"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