Alexis Ohanian, the cofounder of Reddit, wants to buy TikTok and set a 'new standard' in social media.Ohanian is making a joint bid with former Los Angeles Dodgers owner Frank McCourt and Kevin O'Leary.The group says it wants to redesign TikTok around a blockchain-based technology.Ohanian believes TikTok's future should be built by creators and users, with data ownership and audience control as key principles.