From bartering to blockchain, the world of money – and the way we transfer it – has never stood still. Indeed, even the assets we prize have changed. Although it might be nice to have some vegetables in your fridge, using it as a form of currency has probably never crossed your mind. It’s easy to take financial systems for granted. But every advancement over the centuries has caused some major disruption and a lot of getting used to. With each new system came imperfections and pitfalls – and in some ways, this is good. Cryptocurrencies hold a lot of …