Bank can trusted but as for bitcoin is one currency that can not be trusted with the bank because they can always have their way in control of it so i really can not trust the bank over some a month of money but i trust bitcoin over all transaction of money it is fast and is very easy anywhere you can do your transaction
I think there are some banks that was never a scam most of them collapse or owner brings customers money and go. but if you use a bank have the government, I think it would be quite safe. because the government will surely be responsible