Yeh In reality there are several things which only solved by Cryptocurrency and especially Bitcoin, In traditional Financial system holding or saving fiat will always damage you portfolio because due to unlimited printing of money, your holding amount will losing his value and you will not get such amount of stuff which you can get from same amount a year ago,
but Bitcoin solve such problem because it's the only currency which will store your wealth and will safe him from inflation, not only hold value but will increase in value from time to time,

Bitcoin provide financial freedom and independence from such traditional banking system, it will provide privacy by hiding your identity and through only Bitcoin you can send million of dallars from all around the world within few seconds with a cheapest fees etc..