Why do you believe a global PoS currency will be controlled by US actors? The US has a 10--20% share of global GDP.
Regardless, history has proven that the most legitimate branch of a blockchain wins, irrespective of security model. It will not be the actor with the most hash power or stake. For reference, see the Justin Sun/STEEM drama.
Regardless, history has proven that the most legitimate branch of a blockchain wins, irrespective of security model. It will not be the actor with the most hash power or stake. For reference, see the Justin Sun/STEEM drama.
Vitalik Buterin has an interesting blog post on legitimacy: https://vitalik.ca/general/2021/03/23/legitimacy.html.