Portofino Technologies, a cryptocurrency market maker founded by former Citadel Securities executives, has obtained registration for over-the-counter trading of cryptocurrencies from the UK Financial Conduct Authority (FCA). Portofino Technologies is now registered to provide over-the-counter trading services in the UK and Switzerland. Earlier, Golden Finance reported that Portofino Technologies, the cryptocurrency market maker, completed a $50 million financing round in September 2022.