We study two-sided matching contests with two sets, A and B, each of which includes a finite number of heterogeneous agents with commonly known types. The agents in each set compete in a lottery (Tullock) contest, and then are assortatively matched, namely, the winner of set A is matched with...

The cryptocurrency Bitcoin has been marketed as revolutionary new money and an attractive investment. But closer examination suggests that Bitcoin works poorly as money and does not qualify as an asset based on user value. Instead, almost all Bitcoin trading has purely speculative purposes