If any cryptocurrency is a threat to the global dominance of the USD, it might be China's Central Bank Digital Currency (CBDC). There are many ways it differs from Bitcoin, which are listed in this article: https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.cnbc.com%2F2021%2F04%2F0... Since it functions as a currency controlled by their central bank and offers advantages like almost-instant funds transfer, including cross-border, it could be seen by some as a more attractive and convenient option than trading in USD.