Reddit co-founder Alexis Ohanian has joined a bid led by Frank McCourt to buy TikTok and prevent a US ban.Ohanian will work with McCourt, a former owner of the Los Angeles Dodgers, to acquire the Chinese-owned social media platform.The bid aims to address US national security concerns and give users ownership over their data.McCourt's Project Liberty intends to move TikTok's users and content to an American-made network of servers.