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Bitcoin owners rocked by $116 million hack: What we know about the Coldcard exploit | Fortune

The hack, which has drained 1,816 Bitcoin across 5,200 addresses, is devastating because it affected hyper-secure cold storage wallets.

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Bitcoin owners rocked by $116 million hack: What we know about the Coldcard exploit | Fortune

Coldcard's 2021 update replaced strong randomness with patterns, enabling attackers to steal 1.816 Bitcoin ($116M) from 5.200+ addresses. The hack shifts self-custody to centralized exchanges and signals hardware-wallet security hinges on implementation rigor, not offline design alone—reshaping key-management strategy.

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Timeline cronologica

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…
venerdì 31 luglio 2026·theblock.co
Bitcoin losses linked to Coldcard vulnerability grow to $70 million, Galaxy Research says
Galaxy said nearly 1,200 addresses were drained of more than 1,000 BTC worth roughly $70 million tied to a Coldcard vulnerability.

Bitcoin owners rocked by $116 million hack: What we know about the Coldcard exploit | Fortune

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Bitcoin owners rocked by $116 million hack: What we know about the Coldcard exploit | Fortune

Timeline cronologica

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

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

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

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

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

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

Coldcard Bitcoin Theft Continues, Estimated Over $114 Million Stolen

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

Galaxy Maps Coldcard Bitcoin Losses After Wallet Incident

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

Coldcard Hack Expands as Bitcoin Losses Reach $88.6M

Unlike the FTX collapse, the $89 million Coldcard exploit has investors sending bitcoin back to exchanges

"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 Likely 4th Attack Wave Sweeps Nearly 389 BTC: Galaxy