• Yellen sounds warning about 'extremely inefficient' bitcoin

    6 days ago - By Up Worthy

    Treasury Secretary Janet Yellen issued a warning Monday about the dangers that bitcoin poses both to investors and the public.
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  • Bitcoin drops after Musk tweet, Yellen warns it's 'extremely inefficient'

    6 days ago - By Up Worthy

    The crypto coin took a bit of a stumble after a long rally.
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  • Treasury's Yellen criticizes bitcoin again as 'inefficient' and highly speculative

    6 days ago - By Up Worthy

    Bitcoin keeps going up in value and setting records, but new U.S. Treasury Secretary Janet Yellen is not as high as investors on the...
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