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Hackers explotan falla en billeteras frías de Coldcard y roban unos US$110 millones

A fines de la semana pasada, la empresa canadiense Coinkite Inc. notificó a los usuarios de sus dispositivos Coldcard que una falla de seguridad en las claves que protegen sus bitcoins había comprometido algunas billeteras. Hasta el lunes, más de 1.755 bitcoins, valorados en unos US$110 millones, habían sido robados de alrededor de 5.000 billeteras, según Galaxy Research.

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Hackers explotan falla en billeteras frías de Coldcard y roban unos US$110 millones

Hackers robaron US$110 millones de ~5.000 wallets Coldcard explotando falla en la generación de números aleatorios que hacía predecibles las claves seed. Self-custody cripto no elimina riesgo: cold wallets offline quedan expuestas si el firmware tiene defectos en key generation, replanteando governance y viabilidad técnica de la autocustodia.

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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.
venerdì 31 luglio 2026·bitcoinmagazine.com
Coldcard Bitcoin Thief Likely Used Top Blockchain Services Provider
Experts have since said that those holding Bitcoin on a Coldcard device should move funds now.

Hackers explotan falla en billeteras frías de Coldcard y roban unos US$110 millones

Confronto fonti

Hackers explotan falla en billeteras frías de Coldcard y roban unos US$110 millones

Timeline cronologica

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

Coldcard Bitcoin Thief Likely Used Top Blockchain Services Provider

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

Hackers hit Bitcoin’s safest hiding place in ongoing attack

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

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

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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

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

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

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

Hackers hit Bitcoin’s safest hiding place in ongoing attack

Coldcard breach: How hackers stole $89M from Bitcoin's 'safest' storage

Tausende Bitcoin-Wallets gehackt

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