The Supreme Court has upheld a federal ban of TikTok, and users are scrambling. The ban, which is expected to take effect on January 19, is a looming crisis for the countless small businesses and creators who’ve built their livelihoods on the platform.

That decision shifts the focus to whether President-elect Donald Trump can intervene after he takes office on Monday.

In an unsigned opinion, the Court sided with the national security concerns about TikTok over First Amendment rights. There were no noted dissents.