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Every country wants to replace the status of the US dollar; the EU has tried, Japan has tried... without exception, they have all failed because their thinking is still stuck in the initial stage of normal thinking, thinking that they can replace other countries' currencies with their own. Master Kong never thought that what took away his business was not his peers; Meituan, China Mobile, and China Unicom never thought that the one taking away their SMS business would be WeChat. The real threat to your business may not be your competitors, but the development of the times and the progress of technology; it is the choice of the great trends and historical currents. Sovereign currencies may already be quietly drifting away from us. Perhaps one day, standing at a certain moment in history, we will look back and realize that the US dollar, which countries have worked so hard to replace, quietly faded out of the historical trend on the day blockchain was born.