Bruner asks if the current global financial system, which is built upon an exchange network of national currencies backed by their respective governments, seems to work well. Why would one central entity need to control currency? The reason, as with many other Controligarch schemes, is that a centralised digital currency also is put forward as the solution to many nonfinancial problems— from climate change to cyberattacks to the rise of so-called disinformation.
Source: wiktionary