Most people will at least know that a share is a tiny fraction of a company, and why it has value. Bitcoin is more of a black box (to many), and thus more prone

Most people will at least know that a share is a tiny fraction of a company, and why it has value. Bitcoin is more of a black box (to many), and thus more prone to hype (it's far easier to make grandiose claims about the future of a currency than it is to pretend a company will grow at nearly the same rate).