If you have big holdings anywhere online, a gambling site, a crypto account, a bank account people don't know about, at the very least you need to leave the information for your loved ones to find and recover them if something happens to you.
You have your point because every time you indulge yourself into this kind of negotiation its kinda business already if you hold it means you take a risk for the the earnings. Cryptocurrencies is a useful for all especially to your family, in that form you can benefit a lot.