Is Deribit legal in USA?

Good day, I'm interested in understanding the legality of Deribit in the United States. As a cryptocurrency enthusiast, I'm keen to explore various platforms for trading and investing. Could you please clarify whether Deribit is legally permitted to operate within the US jurisdiction? Are there any specific regulations or restrictions that US citizens should be aware of when using Deribit's services? Your insights would be invaluable in helping me make an informed decision. Thank you in advance for your assistance.