It was @deadmosco that mentioned bitcoin. I do believe we can thanks to technology combined with blockchain and crowdsourcing initiatives handle and do a better job of the tasks currently "mishandled" by the government. It doesn't have to be bitcoin, in fact that one was simply first. I don't consider it the best by the long shot. It is just the most established. It currently is a currency only and we need to use the blockchain for a lot more things than currency if we are to replace government. It was a step in the right direction and it expanded the possibilities a great deal.