The US crypto exchange Kraken has confidentially filed for an initial public offering, co-CEO Arjun Sethi said Tuesday at Semafor World Economy in Washington, DC, confirming earlier reports.An investment round in April valued the San Francisco-based platform at $13.3 billion, down from a $20 billion peak in late 2025.Sethi said the company’s aim is to help its customers make the kinds of sophisticated trades and directional bets that otherwise would be available only to professional investors.“W...