Well-known YouTuber and ethical hacker Joe Grand, along with fellow software wizard Bruno successfully reverse-engineered a password generation tool and discovered a critical flaw in its earlier version. Thanks to this feat, they were able to re-create the password for a Bitcoin wallet which had been locked since 2013, allowing its owner to regain access to his fortune - worth now over $3 million.https://www.notebookcheck.net/Hackers-recover-3-million-in-bitcoin-from-software-wallet-locked-for-over-a-decade.847355.0.html
It's only 3 mils. Spare change in today's world
If he hadn't lost access, odds are probably pretty good he would have sold long ago at a much lower value, so it's very likely this worked out in his favor in the end. I just hope he provided a healthy finders' fee to these guys.