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A Bitcoin mining company in Slovenia has been hacked for the possible theft of tens of millions of dollars, just days before the virtual currency, which hit a record above US$15,000 yesterday, is due to start trading on major US exchanges.
NiceHash, a company that mines Bitcoins on behalf of customers, said it is investigating a security breach and will stop operating for 24 hours while it verifies how many bitcoins were taken.



Research company Coindesk said that a wallet address referred to by NiceHash users indicates that about 4,700 Bitcoins had been stolen. At yesterday’s record price of about US$15,000, that puts the value at over US$70 million.
There was no immediate response from NiceHash to an emailed request for more details.

“The incident has been reported to the relevant authorities and law enforcement and we are cooperating with them as a matter of urgency,” it said. The statement urged users to change their online passwords.

Slovenian police are investigating the case together with authorities in other states, spokesman Bostjan Lindav said, without providing details.more...