Coldcard Hack Losses May Exceed $130M

Security concerns are mounting for Bitcoin hardware wallets following a suspected hack of Coldcard devices. Galaxy Research estimates that the financial losses stemming from these attacks could reach $130 million. The firm indicated on the social platform X that this figure might even increase further once a fourth wave of attacks, which is still unconfirmed, is factored into the total damage.
This incident highlights the critical importance of security in protecting digital assets, especially for hardware designed to safeguard private keys. Hardware wallets are generally considered one of the most secure methods for storing significant amounts of cryptocurrency, as they keep private keys offline. However, the alleged exploit of a Coldcard, a popular choice among Bitcoin users, raises questions about the security of such devices and the potential vulnerabilities that could be exploited.
The ongoing investigation into the extent and method of the hack will be crucial for understanding the full impact on users and the broader implications for the hardware wallet industry. As the cryptocurrency market matures, robust security measures and transparent incident response become increasingly vital for maintaining trust and user confidence.
By the numbers
Daily close, August 4, 2026 · Data: CoinGecko
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This is an AI-assisted summary. Original reporting by The Block.
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