Is there a chance, that bitcoin will replace the fiat money? and why?
No, it's totally wrong, bitcoin can not replace fiat. There is not any way to make bitcoin a substitute for cash. Any change will lead to enormous effects on the economy of each nation.
Yes i avree on that, bitcoin can not replace the fiat money because they have different feature and different Stan. I think we need to make sense of it. Both bitcoin and fiat money is really important to us bitcoin is becoming more important and it is really become a part of our human life it is slowly becoming more precious to us. Because it helps us a lot.