Cryptocurrency How It’s Made Is It Really Worth Anything

In Part 2 Prof. Jason Potts and Ross MacDowell talk about mining cryptocurrency and how the mining process creates security for the currency giving it value through scarcity. As Bitcoins are finite, when will the last Bitcoin be mined? Will cryptocurrencies eventually replace government 'fiat' currency or do we need both to have positive effects on economies, currency exchange rates and government policies that affect our daily lives.