IF the whole world ban BTC at first BTC will Crash very hard but only for a few month, Demand will be increased while there will be no Legal Seller, All trade will go to undergrand and Black market and illegal traffic, sellers will start to selling BTC 50 X more than current price. BTC will be more expensive, As simple as that,
That was an answer for these who said BTC will die if whole world Ban it, So no BTC never Die.
Firstly none of your fantsy can become true. Bitcoin cannot be banned as it is the currency of the internet. To ban Bitcoin you have to ban the internet.
Secondly Bitcoins existence and market value depends on its adoption. The more it is adopted the more will be the demand, the more the demand is the more will be its value.
I am not sure from where you came out with this figure of 1Million like a clown. There are already few clowns shouting the same numbers periodically every year, do not become one of them.