difference bitcoin has advantages in terms of its value increasingly rising,in contrast to real money drop price bitcoin more desirable because stable prices but bitcoin has a great risk of losing rather than real money dependent people who have a need bitcoin or real money,choose a digital money or real money is the same because all for payment transactions.
the definite difference is that bitcoin is currently a crypto currency or a digital currency that exists only in virtual, whereas real currency is or conventional and real money and you can hold, but both have in common that is as a tool of sale and purchase transactions or investment
Yes that is very simple to say that the main difference between bitcoin and fiat currency is that bitcoin is an online currency and it can only be use if there is availability of internet. Without having the facilities of internet we even cannot think about bitcoin and other crypto currencies, in fact bitcoin and other crypto currencies are virtual currencies and they do not have physical shape or body, while fiat is a physical currency and we can touch and feel it, that is always present in hard form.