TikTok and WeChat: Chinese apps dogged by security fears

US President Donald Trump signed a pair of executive orders prohibiting US residents from doing business with the Chinese-owned TikTok and WeChat apps beginning 45 days from now. — Ivan Abreu/Bloomberg

BEIJING: The United States has fired a new salvo in its rivalry with China, ordering sweeping restrictions against Chinese-owned social media stars TikTok and WeChat.

Here are some key facts about the platforms: