US President Donald Trump signed an executive order Tuesday that will ban transactions with eight Chinese software applications.
The apps include payment service Alipay and its rival WeChat Pay. Alipay is operated by an affiliate of e-commerce giant Alibaba Group. The app has more than a billion users.
The executive order will go into effect about one month after President-elect Joe Biden takes office.
Trump administration officials say they made the move based on national security risks. They say Americans' personal data could be leaked to the Chinese government.
In August last year, Trump signed an executive order banning transactions with Chinese IT firms including ByteDance, which operates the popular video-sharing app TikTok.
The Trump administration has also barred investment in the country's telecom giants and announced sanctions against Chinese firms.