Coldcard wallet attack drains up to $89M in Bitcoin from 1,200+ addresses
A massive security breach targeting Coldcard wallets has resulted in the theft of up to $89 million in Bitcoin from over 1,200 addresses.
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The brief
This incident represents a critical failure in a hardware solution designed specifically to prevent unauthorized access to digital assets. Bloomberg.com emphasizes that the attackers are targeting what is often perceived as Bitcoin's safest hiding place. The magnitude of the financial loss and the number of compromised addresses serve as the primary evidence of the attack's effectiveness and scope.
These devices are engineered to keep private keys offline, thereby isolating them from internet-connected threats and reducing the risk of remote hacking. This undermines the fundamental trust users place in cold storage as a foolproof method for protecting long-term Bitcoin holdings from digital theft. Future developments to monitor include whether more addresses are compromised and if a specific vulnerability in the Coldcard hardware or software is identified.
Based on the current facts provided by Bloomberg.com, the attack is classified as ongoing. Observers will be looking for updates on whether the $89 million total increases and if any recovery efforts are initiated to trace the stolen Bitcoin. The situation remains fluid as the industry assesses the full extent of the security failure regarding these specific hardware wallets.
Synthesized by PULSE from the headlines below under a strict no-invention contract. ✓ fact-checked: unsupported claims removed (56% supported) Updated 45d ago.
Quick answers
How much Bitcoin was stolen in the Coldcard attack?
Up to $89 million in Bitcoin has been drained.
How many addresses were affected by the breach?
More than 1,200 addresses were targeted and drained.
Which news outlet reported this event?
Bloomberg.com reported on the ongoing attack.
Coverage (7)
- Bitcoin Drops on Double Whammy From $89M Security Breach and Strategy Sale Barron's · 45d ago
- Bitcoin (BTC), ether (ETH) prices decline as Coldcard exploit enters a fifth day: Crypto Markets Today CoinDesk · 45d ago
- Coldcard wallet losses may near $114 million as possible fourth sweep emerges CoinDesk · 45d ago
- Suspected 4th Coldcard attack wave sweeps 389 Bitcoin: Galaxy’s Thorn TradingView · 45d ago
- Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep CoinDesk · 45d ago
- Bitcoin losses linked to Coldcard vulnerability grow to $70 million, Galaxy Research says The Block · 45d ago
- Hackers Target Bitcoin’s Safest Hiding Place in Ongoing Attack Bloomberg.com · 45d ago
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