Bitcoin fell to a one-month low on Friday and was headed for its worst week in six months as traders have booked profits from a long rally and been spooked by an expectation that creditors of collapsed crypto exchange Mt Gox might liquidate their payments.
The largest cryptocurrency by market value, bitcoin was down 1.6 percent at $55,980 by mid-session in Asia, its lowest since mid-October and 20 percent below last week's record high.
"Selling pressure has been quite constant," said Matthew Dibb,
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