The problem with currencies is that the safest options usually don’t offer a big reward. At least with top tier stocks you’re usually receiving a dividend. Nevertheless, let's take a look at the safest currencies in the world. There is actually one surprise currency that does have significant upside potential over the long haul. Let’s remove day to day exchange rates from the equation and take a forward looking approach. The Bitcoin is the biggest enigma to investors at the moment, but there are logical reasons for its behavior