Steven Mnuchin
Steven Mnuchin, the former US Treasury Secretary, says he wants to rebuild TikTok.
  • Former Treasury Secretary Steven Mnuchin said he wanted to buy TikTok.
  • Part of his plan involves scrapping the original algorithm and rebuilding the app.
  • That's really hard to do, critics say.

Earlier in March, during an interview on CNBC's "Squawk Box,'" Steven Mnuchin, the former US Treasury Secretary, said he was building a team of investors that could buy TikTok within six months.