https://www.cnet.com/news/when-you-have-64-million-in-bitco…

Twetch · February 9, 2021

https://www.cnet.com/news/when-you-have-64-million-in-bitcoin-but-no-password/

You describe a legal issue, but practically, crypto comes as close to humanly possibly to tying the de facto powers of ownership with possession.