Billionaire Circle CEO Plays by Rules in Crypto Wild West

Circle CEO Jeremy Allaire, center, at the New York Stock Exchange during the company’s IPO on June 5.

Photographer: Michael Nagle/Bloomberg

Jeremy Allaire still has something to prove.

The chief executive of Circle Internet Group Inc. is running one of the most established companies in stablecoins, the latest craze in cryptocurrency. The business model he pushed for years has been codified into law by President Donald Trump. And Allaire is now a billionaire thanks to Circle’s initial public offering in June that kicked off this year’s wave of crypto IPOs.