Republican presidential candidate Donald Trump told a bitcoin conference on Saturday that the U.S. must dominate the sector or China would, his latest move to court advocates of cryptocurrency, which Beijing has restricted and which he once dismissed as a "scam." Speaking at the Bitcoin 2024 convention in Nashville, Trump positioned himself as the pro-cryptocurrency candidate ahead of the Nov. 5 presidential election, saying he would make the U.S. the world's cryptocurrency leader and embrace friendlier regulations than likely Democratic nominee Vice President Kamala Harris.