everyone is worried about passing their self custody bitcoin to their heirs.
just teach your heirs where to looks for the metal plates.
Jim: Hey honey do you want to learn about bitcoin?
Spouse: Not now.
Jim: If I put a bow around this metal seed plate and tell you to keep it when I am dead as my last will and testament will you throw it away? It is my most prized possession
Spouse: No I will keep it
Jim: Great! Will make sure our kids get this wonderful piece of metal?
Spouse: Sure, is it worth a lot?
Jim: Defintely a lot!
Spouse: Of course, why don't you teach the kids.
Jim: Great idea.
Inheritance problem solved.