“The former Federal Reserve chairman said Bitcoin prices are unsustainably high after surging 89-fold in a year and that the virtual money isn’t currency. ‘It’s a bubble,’ Greenspan, 87, said. ‘It has to have intrinsic value. You have to really stretch your imagination to infer what the intrinsic value of Bitcoin is. I haven’t been able to do it. Maybe somebody else can.’ ‘I do not understand where the backing of Bitcoin is coming from,’ the former Fed chief said. ‘There is no fundamental issue of capabilities of repaying it in anything which is universally acceptable, which is either intrinsic value of the currency or the credit or trust of the individual who is issuing the money.’”
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