Federal governor Michael Barr raised concerns about stablecoins. He acknowledged the benefits of innovation, but flagged risks related to "the fragility of private money." The stablecoin ecosystem within the wider crypto space has boomed this year. A top central bank official has some concerns about a booming corner of the cryptocurrency market. Speaking at DC Fintech Week on Thursday, Federal Reserve Gov. Michael Barr said he had some concerns about stablecoins and their effect on broader financi ...