London properties including a £9million penthouse have been frozen under a crypto scam crackdown. UK sanctions were slapped on assets linked to a network of centres in south-east Asia the Foreign Office said had been used to trick victims out of substantial sums of cash. This included luring people into fake romantic relationships to defraud them. Those conducting the scams are often trafficked foreign nationals, who have been lured into purpose-built scam compounds having been promised