Money is evolving, and as more people join the Bitcoin network, the world may see a decline in the use of cash with the wider adoption of cryptocurrencies as legitimate assets.

Look around your room. Chances are that everything has been in a container, on a plane, or inside a truck at some point. The miracle of international trade is a complex beast, a series of arteries feeding goods to each corner of the globe. And most of us know nothing about it.