A critical security flaw in Coldcard cryptocurrency hardware wallets has been exploited by hackers, resulting in the theft of over $130 million in cryptocurrency. The vulnerability, which affects offline hardware wallets, has been identified as a key factor in the significant losses incurred by victims. Blockchain-monitoring firms have tracked the transactions and confirmed the substantial financial damage. The bug allows hackers to drain the crypto from compromised wallets, highlighting the importance of robust security measures in cryptocurrency storage solutions. The incident underscores the need for manufacturers to prioritize security and for users to remain vigilant in protecting their assets. The substantial financial losses incurred due to this vulnerability serve as a stark reminder of the potential consequences of security breaches in the cryptocurrency space, so what matters most to practitioners is the urgent need to patch and secure these devices to prevent further exploitation1.