You are describing a bubble, not a pyramid scheme. A pyramid scheme uses N people to pay for 1, and collapses when the supply of people runs out. There's no ima

You are describing a bubble, not a pyramid scheme. A pyramid scheme uses N people to pay for 1, and collapses when the supply of people runs out. There's no imagination that something's value is constantly increasing. A bubble uses one person paying extra to pay one other person, and collapses when people stop believing that there is a richer sucker.