According to Davos it seems that China will be No1 (double GDP) by 2030:
https://www.weforum.org/agenda/2019/01/india-will-overtake-the-us-economy-by-2030/
https://www.weforum.org/agenda/2019/01/india-will-overtake-the-us-economy-by-2030/
Look better at that chart:
PPP, or the way to tell poor people eating a loaf of bread in the slums of Lagos is the same as Buffet having a golden sprinkled wagyu steak in Manhattan.
By PPP Egypt has a 2 trillion economy, by USD or, well Bitcoin, it's only 400 billion.
Of course it won't be easy, they'll have to capture Taiwan (TSMC) first to become the leaders of Digital Transformation/AI revolution...
TSMC is nothing with ASML, and good luck in invading the Netherlands.
Historical patterns indicate the USD is already a grandpa waiting to be phased out vs BTC being a baby:
Those patterns have all the same story, the main power falling in a war against another continental power.
Now, based on those patterns, how do you see Mexico or Canada faring in a war against the US?