All of those failure cases you mention have mitigations. Dealing with banks? Not so much.
And I'd go so far as to call what the majority of Americans prefer wrt. key management a result of inertia due to a few centuries of having always done it that way. That's not necessarily surprising, a lot of this is new and doesn't have a good "real world" analogue to tie back to.
And I'd go so far as to call what the majority of Americans prefer wrt. key management a result of inertia due to a few centuries of having always done it that way. That's not necessarily surprising, a lot of this is new and doesn't have a good "real world" analogue to tie back to.