“There's a lot of discussion of substitutes for the dollar as the global reserve ...

... currency,” said Bill Adams, senior international economist for the U.S. bank PNC. “But the lesson of the last 10 years is that, at least to me, it's easier said than done.”

„The U.S. dollar’s century-long reign of the world economy faces a threat over the coming decade as China’s renminbi strives to become its successor, as some prominent central bankers call for a more sustainable global monetary regime and as cryptocurrencies pose a radically alternative model.“

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Source: CoinDesk