Its strength lies solely in faith in the currency.

Money is the most common medium of exchange, representing and functioning as legal tender. But how did man develop a world in which currencies are traded speculatively, where some are pegged against others, where others float – and where money can be exchanged without money being exchanged? Surely this was a gradual process, from cavemen trading saber-toothed tiger pelts to investing in weighted baskets of currencies in real time, the development of modern money contains many interesting steps along the way. The following is what we would humorously refer to as ‘the annotated history of money’...Link