Coldcard Crisis Reaches $130 Million — Proving 'Not Your Keys, Not Your Coins' Has a Dangerous Blind Spot
3h ago · 1 source
A security crisis involving Coldcard hardware wallets has escalated to $130 million in affected funds, exposing a critical vulnerability in how the popular device generates private keys. The incident challenges the long-held crypto mantra of self-custody by highlighting that trusting a single device for key generation introduces its own form of counterparty risk.
WHY IT MATTERS
Think of a hardware wallet like a safe where you keep your valuables. The crypto community has always said 'keep your own safe' rather than trusting a bank (like a crypto exchange). But this crisis shows a problem: what if the locksmith who made your safe's lock used a faulty design, and someone else can figure out the combination? That's essentially what happened here. The device that creates your secret password (called a 'private key') may have generated passwords that aren't truly random or secure. Even though users were doing the 'right thing' by holding their own crypto, the tool they trusted to set it up had a flaw. It's a reminder that security isn't just about where you store your crypto — it's also about how your secret keys were created in the first place.
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