Coinkite Coldcard just proved the real Bitcoin risk: bad devices, not “not your keys enough”

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This is a value for value post: see the explanation in the footer.

Please note: @v4vapp Lightning switch will be happening soon.


nvk / Coinkite just apologised to the entire Bitcoin community over a firmware bug that can compromise seeds generated on Coldcard. If you made a seed on one of those devices, the advice is brutal and correct: move the funds now. A hotfix does not save old seeds. You migrate, or you lose a race against people already sweeping wallets.

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I am sorry for everyone who did the “responsible” thing — bought the air-gapped sacred object, never typed a seed into a phone, followed the maxi catechism — and still got hit by bad firmware on a trusted device. That is not a user failure. That is the model failing.

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Bitcoin culture spent years building extreme paranoia about everything except the boring fundamentals. Not your keys, not your coins. Never a light client. Never a hardware wallet that is not this brand. Never a multisig you can actually live with. Never a recovery path that admits humans make mistakes. Meanwhile the actual chain sits there with almost none of the day-to-day security tools we take for granted on Hive: limited, clunky time-locks, no real account model, no routine on-chain recovery patterns, no social or hierarchical authority that can reverse a catastrophic mistake. Once coins leave a bad seed, they are gone. The chain is doing exactly what it was designed to do — and that design has almost no seatbelts.

So the irony is sharp. The same culture that treats every exchange and every “custodial” arrangement as moral failure handed security theatre to a handful of closed boxes and open-source firmwares… and discovered that AI-assisted attackers can read your “secure” stack faster than your review process can. nvk said as much. He is right about the new paradigm. He is also describing a chain whose main defence against a poisoned RNG or a backdoored RNG fallback is: hope the device was honest when you first generated entropy.

Hive is not magic and Hive is not Bitcoin. But Hive (and systems like it) at least give you more primitive security affordances in the protocol layer — authorities, recovery patterns, structured ops, social recovery style thinking — instead of “one 24-word string and a prayer.” Bitcoin maxis often call that impure. Coldcard just demonstrated what purity costs when the impurity was always in the plastic and the firmware.

If you hold BTC from a Coinkite Coldcard-generated seed: stop reading thinkpieces and move. Temporary exchange or any clean wallet beats principled poverty.

The lesson is not “trust Coinkite less and buy a different metal brick.” The lesson is that paranoia without fundamentals is cosplay. The base chain that cannot help you when a device lies is not “sovereign” in any human sense. It is just final — and final is only a feature when nothing went wrong upstream.


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9 comments
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More risks are now revealed with AI even in the case of hardware crypto wallets. I just hear some Claude agent escaped the sandbox and hacked 3 entities, while OpenAi having a similar 1 incident. For sure AI pushes everything to the limit with the huge knowledge it has. We are lucky it is not real AI for now as the dangers would be much higher.

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There was an error, the transaction didn't go through, and there was no refund.

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Hi there, just waking up, i'll figure out what went wrong and fix it soon.

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I see the problem, I will put the sats into your keepsats account as soon as I can fix the back end accounting (which has been a bit messed up by this error).

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I'm going to try to send the payment later today, still working on fixing the internals, hopefully it will succeed unless you just want the HBD back.

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I prefer my lost 155,555 sats.

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(Edited)

I've just tried again to perform this transfer and what I thought was a transient connection failure turns out to be a new way of failing I've never seen on Lightning before :-) I think it indicates a specifically strange form of failure at the receiving end.

Update.... I think I've found what's going on.... fixing.

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Fixed! Really sorry for how long that took, it was an absolutely crazy edge case arising from my switching Lightning node.

Your original invoice was paid, change returned as normal.

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