Coldcard has fixed the firmware bug that could generate weak Bitcoin seed phrases, but anyone who created a wallet on the affected versions still needs to migrate funds to a fresh seed. The patch helps future wallets; it does not save compromised ones.
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Coldcard’s firmware flaw didn’t break Bitcoin — it exposed weak seed generation in affected wallets, putting funds at risk when randomness was poor. Losses climbed toward $116 million, and the fix is migration, not just a firmware update.
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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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AI-assisted red teaming flagged 4,962 potential issues across about 390 Bitcoin-related open-source projects, including 85 critical and 635 high-severity findings. The numbers aren’t all confirmed exploits, but they expose how much risk still lives in the software around Bitcoin.
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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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A Coldcard firmware flaw reportedly weakened seed generation on some Bitcoin hardware wallets, helping fuel a massive drain that investigators say may have hit thousands of addresses and drained well over $100 million. Firmware updates won’t fix old seeds — users may need to move funds fast.
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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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A Coldcard firmware flaw helped fuel a brutal 2026 crypto theft wave, with TRM Labs reporting more than $1.2 billion stolen across 276 incidents. The lesson is blunt: self-custody beats exchanges, but bad firmware, weak entropy, and sloppy security can still wreck you.
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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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