A Coldcard seed-generation flaw reportedly exposed about $116 million in Bitcoin across thousands of addresses, reminding everyone that self-custody is only as strong as the randomness behind it. The problem hit wallet firmware, not Bitcoin itself, and affected users need to regenerate seeds and move funds.
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Hardware wallet sales are surging in Russia as new crypto rules move closer, with buyers seemingly racing to self-custody before regulated access gets tighter. The shift shows growing demand for control, but also a reminder: self-custody helps only if users handle it correctly.
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Russian crypto buyers are rushing to hardware wallets ahead of new rules that tighten oversight but still ban domestic crypto payments. Sales are up sharply, but the data also shows how regulation, self-custody, and plain old price cuts can all push people toward taking control of their own keys.
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Bitcoin ETFs just posted their biggest inflow week since April, pulling in about $1 billion as Bitcoin hovered near $65,000. The surge came alongside Coldcard’s self-custody security scare, a reminder that convenience and sovereignty are still in a very messy tug-of-war.
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Bitcoin developer René Pickhardt says self-custody fears and key management headaches made him hold back on buying more BTC — a blunt reminder that Bitcoin’s sovereignty comes with real responsibility, and wallet flaws can turn “be your own bank” into a very expensive lesson.
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Coldcard’s seed-generation flaw sent Bitcoin holders scrambling to move funds, lifting active addresses to 0.98 million a day even as BTC price stayed steady in the mid-$60,000s. The damage was real, but it was a custody failure — not a Bitcoin protocol failure.
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Bitcoin brushed off a major Coldcard firmware flaw tied to 1,367 BTC drained from 4,585 addresses, keeping steady in the low-to-mid $60,000s. The incident hit self-custody hard, but it didn’t crack Bitcoin itself.
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A Coldcard firmware flaw tied to weak seed generation has been linked to more than $100 million in Bitcoin thefts, and David Schwartz says it’s a blunt reminder that self-custody removes middlemen, not risk. Bitcoin wasn’t hacked — bad wallet security was.
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A Coldcard seed-generation flaw may have helped drain an estimated 1,367 BTC, worth about $88.6 million, across thousands of addresses. Users are being urged to create fresh seeds and move funds, since a firmware update won’t fix an already compromised wallet.
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Block says flaws in several Coldcard hardware wallets may have exposed over 1,082 BTC to theft, with the problem tied to weak wallet generation rather than a later device hack. Users of affected models are being urged to move funds to fresh, verified wallets fast.
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