Circle, the company behind the $61 billion stablecoin USDC, made a roaring debut on the New York Stock Exchange Thursday, becoming the first stablecoin issuer to go public and making CEO and cofounder Jeremy Allaire a billionaire.

Trading under the ticker "CRCL," shares of the USDC stablecoin issuer opened at $69 after the upsized initial public offering (IPO) priced Wednesday at $31, above its expected range of $27 to $28. The shares finished at $83.23, rising almost as high as $104 in intraday trading.