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CZ Warns Bitcoin Holders After $70 Million Wallet Exploit: 'Nothing Is 100%' - Decrypt

Binance founder CZ recommends users split their Bitcoin funds across multiple wallets following the $70 million Coldcard exploit.

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CZ calls for wallet diversification after $70 million Coldcard exploit

Coldcard's March 2021 firmware bug enabled offline key theft; $70 million in BTC drained from 1,196 addresses in 41 minutes. The breach challenges self-custody: even established hardware wallets harbor undetected critical flaws, forcing CTO teams to rethink key architecture.

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Timeline cronologica

venerdì 31 luglio 2026·cointelegraph.com
Coldcard Mk3 Warning Amid Unexplained 594 BTC Sweep
Bitcoin security experts said the unexplained $38 million wallet drain may involve flawed seed-generation entropy, though the cause and any Coldcard link remain unconfirmed.
venerdì 31 luglio 2026·news.bitcoin.com
Coinkite Warns Coldcard Mk3 Owners After Reports of $38M Bitcoin Loss
Coinkite warns Coldcard Mk3 owners of a seed generation risk after reports of $38 million in bitcoin leaving old wallets.

CZ Warns Bitcoin Holders After $70 Million Wallet Exploit: 'Nothing Is 100%' - Decrypt

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CZ calls for wallet diversification after $70 million Coldcard exploit

Timeline cronologica

Coldcard Mk3 Warning Amid Unexplained 594 BTC Sweep

Coinkite Warns Coldcard Mk3 Owners After Reports of $38M Bitcoin Loss

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

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

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

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

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

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

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

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

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

CZ calls for wallet diversification after $70 million Coldcard exploit

CZ Warns Bitcoin Holders After $70 Million Wallet Exploit: 'Nothing Is 100%' - Decrypt

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

Sicurezza wallet crypto: la falla di Coldcard

"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

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

Hackers target Bitcoin’s safest hiding place in ongoing Coldcard attack

Hackers hit Bitcoin’s safest hiding place in ongoing attack - The Economic Times