Traditional currencies are fiat money, if you don't understand what fiat is, then a good example is our local currencies like USD, Pounds and Euro etc. crypto is entirely different from these, its only exist in a digital form, we can make exchange them with each other and they can all be used as an acceptable means of making payments, but when it comes to cryptocurrency, bitcoin is the most recognized of them all, then follow others, cryptocurrency is not controlled by the government or any institution the way the banks operates.