Coldcard wallet vulnerability attack losses may approach $114 million

Odaily News A wave of cryptocurrency security incidents continues to unfold, with cumulative losses from attacks exploiting vulnerabilities in Coldcard hardware wallets potentially approaching $114 million. Galaxy Research Head Alex Thorn analyzed that a new round of Bitcoin "sweep" attacks targeting Coldcard wallet addresses is currently underway. The attack primarily affects single-signature wallets, with no multi-signature wallets reported impacted so far. Affected users should immediately check wallet addresses generated by Coldcard devices and transfer remaining assets as soon as possible. No direct victim reports have been received yet, with assessments primarily based on on-chain transaction pattern analysis. However, some attack transactions remain in an unconfirmed state. (CoinDesk)