Hackers continue exploiting a vulnerability in Coldcard hardware wallets, siphoning $88 million in Bitcoin from offline storage devices.
A security flaw in Coldcard Bitcoin hardware wallets has led to losses totaling $88 million as attackers drain funds from affected addresses. The exploit remains active, with new victim reports emerging daily, prompting warnings to transfer assets immediately.
One victim reported $1.6 million in Bitcoin stolen on July 29, despite storing keys offline in a Coldcard device kept in a safety deposit box. The breach affects wallets never connected to the internet, raising concerns about hardware security in cold storage solutions.
The attack underscores risks in cryptocurrency storage, even for offline devices, as hackers refine methods to exploit vulnerabilities in widely used hardware wallets.