World Liberty Financial, a venture backed by the family of US President Donald Trump, took centre stage on Wednesday at the world’s largest cryptocurrency event in Singapore, as Trump’s eldest son and his business partner promoted the firm’s USD1 stablecoin and its potential for “dollarising the world”.At Token2049, World Liberty Financial co-founders Donald Trump Jnr and Zach Witkoff, who serves as CEO, received rock star treatment from a cheering audience, as they touted the success of USD1,...