Investor who called last two major market crashes says bitcoin is a bubble

  1. Investor who called last two major market crashes says bitcoin is a bubble  CNBC
  2. Is Bitcoin Really in a Bubble?  Knowledge@Wharton
  3. Is Bitcoin A Safe Investment? 3 Thoughts On Bitcoin And Cryptocurrencies  Seeking Alpha
  4. Buying—and Selling—Property with Bitcoin  Barron’s
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