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Coldcard exploit drains over 1,367 BTC from air-gapped wallets, shaking self-custody confidence

A Coldcard firmware vulnerability dating to 2021 enabled attackers to drain over 1,367 BTC from 4,500 wallets, raising alarm over air-gapped

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Coldcard exploit drains over 1,367 BTC from air-gapped wallets, shaking self-custody confidence

Coldcard firmware bug (RNG software fallback, v4.0.0-5.0.3) drained 1,367 BTC from 4,585 wallets via brute-force. Collapse in self-custody confidence accelerates shift to Bitcoin ETFs and institutional custody; BIP-39 and multisig become mandatory controls.

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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.
venerdì 31 luglio 2026·news.bitcoin.com
Coldcard Attacker Stole $30M in 10 Minutes by Targeting Big Wallets
Chainalysis found that the Coldcard attacker stole roughly $30 million within 10 minutes after prioritizing the largest wallets. The $38 million-plus

Coldcard exploit drains over 1,367 BTC from air-gapped wallets, shaking self-custody confidence

Confronto fonti

Coldcard exploit drains over 1,367 BTC from air-gapped wallets, shaking self-custody confidence

Timeline cronologica

Coldcard Bitcoin Thief Likely Used Top Blockchain Services Provider

Coldcard Attacker Stole $30M in 10 Minutes by Targeting Big Wallets

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

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

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

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

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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

Galaxy Research identifies 1,367 BTC drained in attacks on Coldcard addresses

"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

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

Coldcard Flaw Exposes Hardware Wallet Testing Blind Spot: Kraken

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