After largely standing aside for years as cryptocurrency grew from a digital curiosity into a volatile but widely embraced innovation, federal regulators are racing to address the potential risks for consumers and financial markets.
Their concerns have only grown as both new and established firms have rushed to find ways to profit from bringing the massive wealth held in cryptocurrency into the traditional financial system through quasi-banking services like interest-bearing accounts and lending.
Now the Treasury Department and other agencies are moving urgently on an initial target for tighter regulation: a fast-growing product called a stablecoin.