Is Kraken allowed in the US?

Good day, I am quite curious about the legality of Kraken in the United States. As a crypto enthusiast, I've heard a lot about this platform and its services, but I'm not quite sure if it's operating within the legal framework of the country. Could you please enlighten me on this matter? I'd appreciate it if you could provide some insights into the legal status of Kraken in the US, as well as any relevant regulations or licenses it might have obtained. Thank you very much for your time and assistance.