If everyone's intention is just to buy low and sell high, then it's a tulip mania. But if there are people who would be satisfied with a stable price, or price

If everyone's intention is just to buy low and sell high, then it's a tulip mania. But if there are people who would be satisfied with a stable price, or price above their investment amount, or ability to buy stuff for it, then it is not just a tulip mania. Bitcoin price was pretty stable during 2012. Some people used it as a "store of wealth". Now, you still can use it for the same purpose, but you have to bid up the price a little to take a piece of it.