Digital currencies are almost here, with China’s e-CNY possibly off the block as early as the 2022 Beijing Winter Olympics. But among the many things we still don’t know about these new payment instruments is their usage overseas: How helpful will one country’s electronic cash be in another?
All we know is that digital cash will be a direct claim on a central bank, just like its physical counterpart. But there the similarity ends. There’s a whole money-changing industry ready to swap — for a fat fee — our banknotes for different ones that can be used where we’re going.