Another 486 wallets suffer losses in fourth wave of Coldcard wallet drain

The Coldcard vulnerability has endured four waves of exploits so far, draining idle wallets. Long-term holders who did not move their coins are still vulnerable. 

The Coldcard exploiter has been active again, moving funds to a growing list of destination wallets. As Cryptopolitan reported, the initial attack against 500 wallets was not the only exploit, and losses quickly climbed to over $70M. 

As of August 3, holders of several versions of the Coinkite wallets are still at risk, and the only solution is to move their coins as soon as possible to new, safely derived wallets. 

Coldcard wallets appealed to Bitcoin maximalists and were widely recommended. Recently, white hat hackers have shown that even a few minutes of AI compute can discover vulnerable addresses. 

Before the fourth wave, the estimated losses affected 1,196 addresses for a total of 1,086.65 BTC, according to Galaxy Research data.

Coldcard’s fourth attack wave becomes more aggressive

On-chain researchers analyzing Coldcard addresses and BTC transactions have identified the pattern of a fourth wave of exploits. 

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