Bitcoin is 100% better than fiat money, if you hold fiat it will never give you profit, there is a chance that your govt regulate your funds fully. But if you hold Bitcoin it will give you profit and as it is decentralized no one able to regulate it. on the other hand you can easily transact your funds in bitcoin without any 3rd party, transaction fees is reasonable and it will take less time than fiat transaction. So, you can say, Bitcoin is better than fiat money.