Ya 100% correct. Bank interest for your money of 5-10% maximum .Which you have to maintain in the period of 1 year.But in bitcoin, their is nothing to keep for one year and all.At any time you can brought the bitcoin and at any time you can sell that bitcoin. It's freedom we have in bitcoin not in a bank.We can have n number of times Profit in bitcoin .But in bank we will get yearly interest
but bank interest is very safe
you not lost money, difference with bitcoin althoug you can get high return, but you potential lost youre money, because bitcoin price down