Suspected 4th Coldcard attack wave sweeps 448 Bitcoin: Galaxy’s Thorn
Galaxy research head Alex Thorn warned that unconfirmed transactions may give some Coldcard users a narrow opportunity to save their funds.
Update (Aug. 3 at 4:19 am UTC): This article has been updated with the latest estimated number of affected addresses and Bitcoin from Galaxy’s Alex Thorn.
Coldcard users are being warned of a new wave of coordinated thefts targeting their Bitcoin hardware wallets, coming just days after the first wave of attacks on Thursday.
In an X post on Monday, Galaxy research head Alex Thorn flagged hundreds of transactions impacting 709 potential victim addresses, moving 448.7 Bitcoin (BTC).
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