“Economists who had taken note of Bitcoin also pointed out that the virtual currency actually had built-in incentives discouraging people from using it. The cap on the number of Bitcoins that could ever be created—21 million—meant that the currency was expected to become more valuable over time. This situation, which is known as deflation, encouraged people to hold on to their Bitcoins rather than spend them. The notion of Bitcoiners around the world sitting on their private keys and waiting to become rich begged the question of the intrinsic value of these digital files. What were all these locked-up virtual coins really worth if no one was doing anything with them? What was backing up all the value the coins seemed to have on paper?”