Screens in Unciphered’s lab show a microscopic image of the layout of the IronKey’s controller chip (left) and a CT scan of the drive.
Now, after months of work, Unciphered's hackers believe they can open Thomas' locked treasure chest, and they're ready to use their secret cracking technique to do it. “We were hesitant to reach out to him until we had a full, provable, reliable attack,” says Smith, who asked WIRED not to reveal his real name due to the sensitivities of working with secret hacking techniques and very large sums of cryptocurrency. “Now we’re in that place.”
The only problem: Thomas doesn't seem to want their help.
Earlier this month, not long after performing their USB-decrypting demonstration for me, Unciphered reached out to Thomas through a mutual associate who could vouch for the company’s new IronKey-unlocking abilities and offer assistance. The call didn't even get as far as discussing Unciphered's commission or fee before Thomas politely declined.
Thomas had already made a “handshake deal” with two other cracking teams a year earlier, he explained. In an effort to prevent the two teams from competing, he had offered each a portion of the proceeds if either one could unlock the drive. And he remains committed, even a year later, to giving those teams more time to work on the problem before he brings in anyone else—even though neither of the teams has shown any sign of pulling off the decryption trick that Unciphered has already accomplished.
That has left Unciphered in a strange situation: It holds what is potentially one of the most valuable lockpicking tools in the cryptocurrency world, but with no lock to pick. “We cracked the IronKey,” says Nick Fedoroff, Unciphered's director of operations. “Now we have to crack Stefan. This is turning out to be the hardest part.”
In an email to WIRED, Thomas confirmed that he had turned down Unciphered's offer to unlock his encrypted fortune. “I have already been working with a different set of experts on the recovery so I'm no longer free to negotiate with someone new,” Thomas wrote. “It's possible that the current team could decide to subcontract Unciphered if they feel that's the best option. We'll have to wait and see.” Thomas declined to be interviewed or to comment further.
A Very Valuable, Worthless USB Stick
In past interviews, Thomas has said that his 7,002 bitcoins were left over from a payment he received for making a video titled “What is Bitcoin?” that published on YouTube in early 2011, when a bitcoin was worth less than a dollar. Later that year, he told WIRED that he'd inadvertently erased two backup copies of the wallet that held those thousands of coins, and then lost the piece of paper with the password to decrypt the third copy, stored on the IronKey. By then, his lost coins were worth close to $140,000. “I spent a week trying to recover it,” he said at the time. “It was pretty painful.”
In the 12 years since, the value of the inaccessible coins on Thomas' IronKey has at times swelled to be worth nearly half a billion dollars, before settling to its current, still-staggering price. In January 2021, as Bitcoin began to approach its peak exchange rate, Thomas described to The New York Times the angst that his long-lost hoard had caused him over the years. “I would just lay in bed and think about it,” he said. “Then I would go to the computer with some new strategy, and it wouldn’t work, and I would be desperate again.”
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