Of course, the stablecoins of the central banks of states, that is, their digitized currencies, can significantly change the existing global financial system. If anything, traditional banking transactions are already hopelessly outdated compared to digitized currencies. This is already recognized by the majority of states and their governments.
At the same time, the digitization of common currencies of states creates good conditions for the growth of popularity of decentralized cryptocurrency, since they look very similar in their functioning.