Coldcard wallet attack drains up to $89M in Bitcoin from 1,200+ addresses
Hackers have exploited a flaw in Coldcard wallets to steal Bitcoin worth up to $89M from over 1,200 addresses.
Evidence dossier
Intelligence passport
Measured timeline
- Detected The first matching coverage entered the Archynetys cluster.
- Peak measured velocity The recorded velocity reached 10.
- Evidence threshold reached The story had enough independent coverage for an explanatory brief.
- Latest coverage observed Most recent article currently attached to this story cluster.
Source diversity sample: Yahoo Finance · Barron's · CoinDesk · TradingView · The Block · Bloomberg.com.
How this dossier is built: methodology · AI policy · corrections.
The reporting (8)
- $1.6 Million Drained in a Blink: User Recounts His Dramatic Coldcard Wallet Hack Yahoo Finance · 20h ago
- Bitcoin Drops on Double Whammy From $89M Security Breach and Strategy Sale Barron's · 20h ago
- Bitcoin (BTC), ether (ETH) prices decline as Coldcard exploit enters a fifth day: Crypto Markets Today CoinDesk · 20h ago
- Coldcard wallet losses may near $114 million as possible fourth sweep emerges CoinDesk · 20h ago
- Suspected 4th Coldcard attack wave sweeps 389 Bitcoin: Galaxy’s Thorn TradingView · 20h ago
- Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep CoinDesk · 20h ago
- Bitcoin losses linked to Coldcard vulnerability grow to $70 million, Galaxy Research says The Block · 20h ago
- Hackers Target Bitcoin’s Safest Hiding Place in Ongoing Attack Bloomberg.com · 20h ago
What happened
The attack has been ongoing, with the latest wave sweeping 389 Bitcoin in a single sweep. The Block and CoinDesk both report that the losses have grown to $70M, according to Galaxy Research.
Bloomberg.com coverage describes the Coldcard as Bitcoin's safest hiding place, complicating the narrative of the attack. The attack has been described as a fourth wave, suggesting previous incidents.
The exact scale of the attack is unclear, as the total amount stolen varies across reports. The Block and CoinDesk both cite Galaxy Research, but the total amount stolen is not yet clear.
Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: unsupported claims removed (86% supported) Updated 14h ago.
Questions people are asking
What is a Coldcard wallet?
A Coldcard wallet is a type of hardware wallet used to store Bitcoin securely.
How many Bitcoin were stolen in the latest attack?
The latest attack swept 389 Bitcoin.
How many addresses were affected?
Over 1,200 addresses have been affected.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
Topics
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