On a Wednesday, as the city’s clocks chimed with bureaucratic precision, the Securities and Futures Commission (SFC) unveiled its latest masterpiece-a policy so bold, so audacious, it could only be the brainchild of a regulator with a penchant for the dramatic. Virtual assets, once the playthings of rogue traders and moon-eyed dreamers, are now to be tamed, collared, and paraded before the masses. Margin finance, that siren of the markets, shall sing its song to the tune of stringent collateral demands, while perpetual contracts, those eternal enigmas, are reserved for the professional few.