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Coldcard Thefts Near $114 Million as Fourth Attack Wave Hits | The Defiant

Attackers began a fourth wave of sweeps against bitcoin held in Coldcard hardware wallets on Monday, pushing estimated losses to roughly $114 million since Thursday. The latest transactions remained replaceable in the mempool, giving some victims a brief window to move their coins before the thefts confirm.

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Coldcard Thefts Near $114 Million as Fourth Attack Wave Hits | The Defiant

Coldcard firmware bug (March 2021) enabled $114M theft via predictable seeds across four attack waves. Users following best practices still compromised, undermining hardware wallet's core security promise for serious crypto holdings.

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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…

Coldcard Thefts Near $114 Million as Fourth Attack Wave Hits | The Defiant

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Coldcard Thefts Near $114 Million as Fourth Attack Wave Hits | The Defiant

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 Bitcoin Theft Continues, Estimated Over $114 Million Stolen

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

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

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

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

Coldcard Theft Balloons to $88M as Exchange Deposits Spike, Old BTC Moves

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

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