Have you ever wonder what the world would be like if all the fiat currency no longer in use... where you could be using digital currency like Bitcoin, Ethereum or even Dogecoin?History of money have changed over time through trading from animal like cow to sheep, through sliver and using gold and money using fiat currency... and we have evolved over time...And now we have started to use cryptocurrency to pay for our daily needs and could well replace all the fiat money that we are using now.