As the number of cryptocurrencies grows, cryptocurrency exchanges become the marketplaces for listing and trading cryptocurrencies. In the current context, users mainly buy cryptocurrencies as a store of value, in anticipation of a future value increase. As exchanges list multiple cryptocurrencies in one place, supply information about them, enable comparisons, and set bid/ask prices according to demand, they help separate the valuable cryptocurrencies from the useless ones. Investors become increasingly discriminate in their choices of cryptocurrencies as a store of value or as a utility token.