is a digital currency and real money is local currency. price can be increased or decreased but local currency remain same.Again,s price is too high than local currency like Dollar. can give us many chances of getting big profit by holding it.But real money give small profit by deposit on bank.
i think bitcoin is usually used for the investment and trading and most of the user earn it from signature campaign or gambling or other ways and i think paper money is life..... life without paper money is can't possible so, i think paper money has its own importance and bitcoin has its own.......