Some of the things that have been happening are grossly underreported on, like this: https://thewire.in/diplomacy/india-signs-deal-to-adopt-mosco...
Let's assume you wanted a route to send/receive money from Russia now, you could do so via India - a country in the good books of both Russia and the West.
Iran has been settling oil sales to China in Yuan more and more over time: https://www.silkroadbriefing.com/news/2023/02/21/iran-increa...
Assuming the dollar gets replaced by one reserve currency is the fallacy. Like with geopolitics, we're seeing a multipolar world return.