Bitcoin will replace the fiat money. Let's see a example-
Fiat money is the parent of currency and cryptocurrency is it's child. So in future parent has to die at some day and child has to take place. This is the future no one can stop the the future and future is lies within the cryptocurrency. It's my opinion. i hope you all agree with me.
Nice post and the video contains all the necessary thing that can help for newbie to understand the concept of bitcoin