Saitama CEO Manpreet Kohli lost his UK extradition challenge and could be sent to the US to face wire fraud and market manipulation charges.US prosecutors allege Kohli made about $20 million while Saitama promoters publicly claimed to hold or buy tokens as they privately sold them.The case formed part of a US crypto manipulation crackdown that included the FBI creating NexFundAI to investigate wash trading and fake trading volume.Kohli remains free on £200,000 bail and can appeal after the UK court sent his extradition case to British ministers for a decision.