Coldcard Bitcoin Vulnerability Losses May Approach $114M

New sweeping attacks target Coldcard single-signature wallets. Cumulative losses from hardware wallet vulnerabilities could reach $114 million, with multi-sig accounts currently unaffected.

Woofun AI reports that Galaxy Research Head Alex Thorn analyzed a new wave of Bitcoin sweeping attacks targeting Coldcard wallet addresses. Cumulative losses linked to Coldcard hardware wallet vulnerabilities may approach $114 million. The attack primarily affects single-signature wallets, with no multi-signature wallets found to be impacted so far. No direct victim reports have been received yet; the assessment is mainly with some attack transactions still in an unconfirmed state.