An exclusive interview with Bill Ready, boss of social media platform Pinterest.
Experts tell the BBC what a final deal might look like, and what Beijing might get in return.
Tyler Blevins says trolls attack him every day for being less popular than he was at the height of his fame.
Trump said a deal had been approved but Chinese state media did not confirm that an agreement had been reached.
Trump says a deal is done but the details have not been confirmed by China or the app’s owner ByteDance.
White House officials claim the deal will be a win for the app’s US users and American citizens.
Ministers say software developed by the Cabinet Office has helped to ramp up fraud detection.