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What Is an Air-Gapped Bitcoin Wallet? Why the Coldcard Exploit Changes the Conversation About Offline Security - Decrypt
Air-gapped Bitcoin wallets like Coldcard keep private keys offline, reducing exposure to hackers—but they're not immune from threats.
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news.bitcoin.com
The Coldcard Exploit Explained: Who Lost Bitcoin and Who's at Risk
A Coldcard firmware flaw weakened bitcoin seeds, exposing up to $70 million and forcing users to move funds.
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coindesk.com
How bitcoin cold wallets lost $70 million in an attack that never touched the devices
Galaxy Research said weak seed generation let an attacker recreate likely private keys offline, sweep more than 1,000 BTC from nearly 1,200 wallets and continue searching without…
