Winklevoss-led exchange Gemini files for IPO amid crypto boom

The public market for crypto companies is heating up. On the heels of Circle’s monster debut on the New York Stock Exchange, another firm is following in its steps, with Gemini announcing on Friday that it has confidentially filed for an initial public offering.

Founded by the Winklevoss twins, Cameron and Tyler, in 2014, Gemini is one of the longest-operating U.S. crypto companies, though it has never reached the scale of competitors like Coinbase. Though Gemini’s main product is its exchange...