Coldcard Bitcoin Wallets Hit by Ongoing Attack Exploiting Key Generation Flaw

A software flaw in Coldcard hardware wallets has raised fresh concerns about the security of offline cryptocurrency storage after a software flaw in Coldcard hardware wallets allowed attackers to drain millions of dollars in Bitcoin.The attack has affected thousands of wallets using Coinkite’s Coldcard devices. By August 3, about 1,367 Bitcoin worth US$86 million had been stolen from more than…