Sorry to hear that, I wish your dad a speedy recovery.
I don't trust even my own mother when it comes to money and I'm not leaving anything to anyone, if I die, crypto I hold will be gone forever. To each his own.
I'm a selfish bastard and I'm happy with that

The most important thing I've learned in life is to trust no one, especially your family as they are the first to abuse the trust.
Seen too many people getting screwed by own family, not going to be one of them.

First of all, just seeing this from the OP, it's something disheartening to witness or hear about, my prayers be extended to your dad and I hope by now he must have been quite better since the creation of the thread.
Coming to @MeGold666, you have said according to how you see the whole case but I think on me it should be something not to brag about, if you check around every member of your family and can't find a single person you can trust then it's a big problem, which means even you is the same and likely no any member can trust you when it comes to finances. I think if any one should be proud of their family then I should be, currently I know my stance and who stands with me because with how far we've gone and what we both went through, he deserves to be trusted and I feel more at peace knowing that my whole assets can be extended to someone if it calls for my absence.