In near future bitcoin Wallet is become more popular, because it is more safe & secure.
still you are right but i will say here the matter is of which one is safe and in my opinion bank is safe because we can reverse the money transactions with the help of bank systems ( if by mistake we have send the money )
so both of them are best .
In order to clearly answer the question of what is best banks or bitcoin wallets, then you need to understand that today is better suited to the population of a country. There are countries which do not recognize cryptocurrency and bitcoin is where prohibited. Here also are the centers of the struggle for the banking sector. And bitcoin might lose.