The question is whether the new technology is going to make the yuan an attractive alternative to other currencies. Chinese central bankers say it is not an effort to supplant the dollar, and Martin Chorzempa, a senior fellow at the Peterson Institute for International Economics, said digitization wouldn’t fix issues that made the yuan unattractive as a reserve currency in the first place — like capital controls, which mean you can’t exchange it easily at all times.
Is Bitcoin coming for the dollar?
Others worry that private-sector innovations like Bitcoin or “stablecoins,” which are backed by a bundle of assets or currencies, could become an attractive alternative to government-created cash if central banks don’t keep up.
Mr. Powell has argued that Bitcoin is more like gold than the dollar. It has value because it’s rare and people want to hold it, so it can even at times be traded for other goods and services, but it is…