Economics is merely a form of social contract. For god's sake, humans have turned gigantic immovable rocks into currency: http://en.wikipedia.org/wiki/Rai_stone

Economics is merely a form of social contract. For god's sake, humans have turned gigantic immovable rocks into currency: http://en.wikipedia.org/wiki/Rai_stones http://en.wikipedia.org/wiki/Rai_stones BitCoin will thrive (or not) based on the community that grows around the technology. While it's equally feasible that it becomes a major world currency, or that it collapses in value and held only by a handful of "crypto-enthusiasts", I don't think it will ever go away.