Bitcoin is not money.
It is more an artwork with 21,000,000 limited editions. And each limited edition contains 100,000,000 limited pieces. (satoshis)
We all know that since from the start. Bitcoin is a digital currency that uses to pay, send or receive btc in a peer to peer system. Bitcoin is not a money because fiat is a tangible thing used in order to pay also. They have the same uses but they are different in forms. Because bitcoin is a new brand of currency that performs by Internet.