$130 Million Gone Because the Randomness Was Predictable: Which Hardware Wallet You Can Still Buy

There are two kinds of bitcoin holder this week. One checks the price every morning. The other checks whether the coins are still there.

The reason is a device that spent years being called the safest thing you could buy for bitcoin: the Coldcard. Since 31 July 2026, more than $116 million has drained from over 5,200 addresses, with some tallies now reaching roughly $130 million. And here is the sting: the victims are not the careless ones. They are the careful ones. Offline, cold storage, seed stamped into steel, never photographed — and emptied anyway.

This article answers three questions. What actually happened? Which manufacturer can you still buy in good conscience? And why would switching off your savings plan right now be the most expensive mistake of your year?

What actually happened at Coldcard

The Coldcard, made by Canadian firm Coinkite, has been the connoisseur's wallet for years: bitcoin only, no compromises, a fiercely loyal community. But in firmware 4.0.0, shipped since March 2021, the device bypassed its own randomness chip when generating a seed phrase and reached for a predictable software substitute instead. For five years, unnoticed.

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