In my opinion, new financial system without dependent on USD is very possible, as long the countries who involved with is agree. In fact creating new money is possible too as long as the community is agree.

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A little bit out of topic I want to add some other news too

French president says Europe should limit dependence on US - https://www.aa.com.tr/en/europe/french-president-says-europe-should-limit-dependence-on-us-for-security/2769816

China - Saudi Arabia summit agreements put pressure on US influence - https://www.vox.com/2022/12/10/23502903/china-saudi-arabia-united-states-relations-strain