Reza Bundy, chief executive of Atlas Capital and business partner of longtime bitcoin critic Nouriel Roubini, expects bitcoin to fall as much as 70% over the next six months before eventually climbing as high as $500,000 in the years ahead. Speaking to CoinDesk at the Proof of Talk conference in Paris, Reza Bundy, CEO of investment advisory firm Atlas Capital, issued his grim macroeconomic warning that runs contrary to typical industry optimism.