Both fiat currency and cryptocurrency can be called money or currency, both are mediums of exchange that are used to store and transfer value, both can be used to purchases goods and services, both have their value governed by supply, demand, work, scarcity, and other economic factors, both have their value affected by the quality of the system surrounding it, both can be traded on exchanges, etc.

Hi im newbie here at altcoinstalks and im happy to be part of this forum