Just as technology has disrupted media, politics, and business, it is on the verge of disrupting America’s ability to leverage faith in its currency to pursue its broader national interests. Libra is probably not the answer to the coming disruption posed by government-sanctioned digital currencies from China and elsewhere. But if not, Western governments need to start thinking about their response now, before it is too late.

Kenneth Rogoff, a former chief economist of the IMF, is professor of economics and public policy at Harvard University.

​©Project Syndicate

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