Fed chair calls bitcoin 'highly speculative' Import Author, December 13, 2017 4:32 PMBitcoin's wild rally has enraptured investors in recent weeks. But the chair of the Federal Reserve isn't buying into the hype.
Bitcoin: What's driving the frenzy? Import Author, December 7, 2017 11:47 AM2017 has become the year bitcoin went big.
Bitcoin's rally is back, price zooms above $12,000 Import Author, December 6, 2017 8:59 AMBitcoin can't stop breaking records.
