CriticalActiveNo recent activityExploitINC-20D436

Coldcard Hardware Wallet Exploit

Confidence95% · High
TypeExploit
Est. Loss$100.0M
Signals1
First DetectedAug 7, 2026, 8:23 AM
Last SignalAug 7, 2026, 7:59 AM

Overview

Exploit of Coldcard hardware wallet vulnerability led to widespread Bitcoin theft.

Coldcard exploit drained $100M+ in BTC from 7,300 wallets across three attack waves, with a suspected fourth wave.

Protocols
Coldcard
Chains
Bitcoin
Assets
BTC

Sources & Timeline

  1. NewCointelegraph95%

    Exploit of Coldcard hardware wallet vulnerability led to widespread Bitcoin theft.

    Aug 7, 2026, 7:59 AMRead on Bytewit →