We have been attributing a huge value to a metal that’s mostly remarkable for being yellow and shinny for millennia, one of the biggest investment bubbles in history was over a flower, and people thought that using a loophole to profit from the arbitrage of international reply coupons was going to last forever. Hell, people paid for fake property titles for land on the Moon and Mars. It’s not that surprising that some people think that buying a random number in a distributed database is an investment.