Coldcard Code Flaw Led to $100 Million Crypto Theft Over Several Years

A critical bug in the Coldcard hardware wallet’s code went undetected for years, resulting in the loss of approximately $100 million in cryptocurrency, according to CoinDesk.

The vulnerability allowed hackers to exploit the device, compromising funds stored on Coldcard wallets. Despite the significant sum involved, the flaw remained unnoticed for an extended period before being brought to light.

For Japanese investors, who increasingly rely on hardware wallets for crypto security, this incident underscores the importance of rigorous device audits and continuous software updates in protecting digital assets.