Coldcard Hardware Wallet Vulnerability Exposed Bitcoin Seeds for Years — Here's What You Need to Know
5h ago · 1 source
A critical flaw in Coldcard hardware wallets has been discovered that reportedly exposed Bitcoin seed phrases over an extended period, potentially contributing to the theft of approximately $70 million in BTC. The vulnerability raises serious questions about the security assumptions users place in hardware wallets widely considered among the most secure in the industry.
WHY IT MATTERS
Think of a hardware wallet like a super-secure safe for your cryptocurrency. Your 'seed phrase' is like the master key to that safe — anyone who has it can take everything inside. Coldcard is one of the most trusted brands of these digital safes, especially among serious Bitcoin holders. This news means that a hidden flaw in the safe's design may have been quietly leaking copies of people's master keys for years, and hackers used that weakness to steal $70 million worth of Bitcoin. It's a reminder that even the most trusted security tools can have hidden weaknesses, and why many experts recommend using multiple layers of protection rather than relying on just one device.
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