How Researchers Cracked an 11-Year-Old Password to a $3 Million Crypto Wallet

image via WIRED

May 28, 2024, 11:30 AM

Two years ago, Michael contacted Joe Grand to help recover access to about $2 million worth of bitcoin he stored in encrypted format on his computer. Grand turned him down. But last June, Michael approached Grand again, hoping to convince him to help, and this time Grand agreed to give it a try. Grand and Bruno spent months reverse engineering the version of the RoboForm program that they thought Michael had used in 2013 and found that the pseudo-random number generator used to generate passwords in that version—and subsequent versions until 2015—did indeed have a significant flaw that made the random number generator not so random.

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