Elon Musk himself has repeatedly boosted Bitcoin on Twitter and other platforms.
Unless you're the world's richest person, you shouldn't be buying Bitcoin. That's the message from Bill Gates - the third richest.
With a rally of more than 400% over the past year, Bitcoin has become increasingly mainstream, and everybody including prominent investors and policy makers have been talking about it. The world's on-again, off-again richest person, Elon Musk, recently invested $1.5 billion in the cryptocurrency through his company, Tesla Inc., and said Bitcoin would soon be accepted for payments.
For Gates, it's not something Main Street should buy into - plus it's bad for the environment as mining the coins requires a lot of energy.