Rising bond interest rates and falling value of the USD suggests a worldwide disinterest in things US-ian. Financial market instability isn't good for the HN a

Rising bond interest rates and falling value of the USD suggests a worldwide disinterest in things US-ian. Financial market instability isn't good for the HN audience, nor the normies watching retirement account balances. How many currencies are large enough and liquid enough to be a reserve currency. What might happen if the US is not interested in playing this role? Do they understand or care what will happen when, say, oil is denominated in a different currency?