Bitcoin tumbled to its lowest level since February as the meltdown in the world's largest digital currency accelerates, renewing concern about the long-term viability of the much hyped alternative to traditional currencies.
The price of the digital coin fell as low as $US6,498, bringing the slide for the year to more than 50 per cent. It's down from a record high of $US19,511 reached in December, the culmination of the more than 1,400 per cent surge seen in 2017 as Bitcoin burst on to the mainstream.
Cryptocurrencies have been beset by a string of bad news. Most recently was the "cyber intrusion"on the South Korean cryptocurrency exchange Coinrail this past weekend that appeared to result in a loss of an unknown quantity of digital currency.
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