In a move that surprised many in the U.S. cryptocurrency industry, Trump announced last month the appointment of Silicon Valley tech entrepreneur David Sacks as the first-ever White House AI and crypto "czar." ... He is a close friend and ally of Tesla CEO Elon Musk, a top adviser to the president-elect who has his ear on many matters, including decision-making for key administration positions. He's also friendly with Vice President-elect J.D. Vance and was an early investor in Vance's venture capital firm Narya Capital.