Some fighters will receive bonuses in ‘stablecoins’ issued by Trump family business World Liberty Financial The Ultimate Fighting Championship (UFC) announced on Friday that it will pay bonuses to fighters in a form of cryptocurrency issued by Trump family business World Liberty Financial at the heavily publicized White House mixed martial arts event on Sunday. The development connects the Trump family’s financial interests to the high-profile UFC competition being promoted on government property. The competition on the south White House lawn is scheduled for 14 June, Donald Trump’s birthday.