As the global digital currency race heats up, Circle CEO Jeremy Allaire thinks the broader stablecoin adoption expected to come with regulatory clarity from Washington can give the United States a needed edge in minting the financial system of the future. Testifying along with five other crypto leaders at Wednesday’s landmark congressional hearing , the digital payment provider’s chief executive officer said the U.S. is beating China in stablecoin transactions with trillions of U.S. dollar-backed payments carried out, compared to $10 billion completed by China’s central bank in its experimental digital yuan program, though clearer rules for mass use are...