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Bitcoin Mining Service NiceHash Says Hackers Emptied Its Wallet

Olga Kharif
Cryptocurrency mining machines sit in operating racks at the home of Dmitry Gutov, a Russian cryptocurrency 'miner,' in Krasnogorsk, Russia, on Thursday, Sept. 7, 2017. Photographer: Andrey Rudakov/Bloomberg

NiceHash, the marketplace for cloud-based mining of cryptocurrencies, said hackers breached its systems and stole an unknown amount of bitcoin from its virtual wallet.

“We are working to verify the precise number of BTC taken,” the company said Wednesday in a statement on its Facebook page . It’s halting operations for 24 hours, it said. The venture’s main webpage showed a “maintenance” error message, linking to its social media accounts.

NiceHash helps match people who can spare computing capacity with miners looking to solve complex math problems to obtain a variety of new coins. It later facilitates periodic payments to the service providers with bitcoin.

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A wallet address circulated by NiceHash users shows that more than $60 million of bitcoins might be affected, according to CoinDesk, the cryptocurrency research and news website.

NiceHash Chief Executive Officer Marko Kobal didn’t immediately respond to a LinkedIn message seeking comment.

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