Now you are in the subtree of TECHNOLOGY and MARKETS public knowledge tree. 

USD dollar hegemon

In the short to medium run, the dollar standard is here to stay, however dysfunctional:

The transition, when it happens, could be quite sudden.
As long as the RMB-USD rate remains stable, a dollar anchor could be a shadow RMB
anchor. US dollar anchors could go the way of the UK pound anchors

THE article The Dollar Hegemon? Evidence and Implications for Policy Makers Pierre-Olivier Gourinchas

I argue(d) that for the world economy to be stable, it needs a stabilizer,
some country that would undertake to provide a market for distress goods, a
steady if not countercyclical flow of capital, and a rediscount mechanism for
providing liquidity when the monetary system is frozen in panic. [...]
Britain, with frequent assistance from France, furnished coherence