NiceHash: 4736 bitcoins was stolen by hacker

digital currency exchange NiceHash claimed that its 4600+ bitcoins were stolen by hacker, which is an amount worth more than $62 million at current prices, and these bitcoins were transferred to this address

it leads to NiceHash's Service Unavailable

here is this company's statement

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数字货币交易所NiceHash宣布其4600多比特币被黑客窃取，黑客将这些比特币转移到coindesk，目前该交易所已暂停服务。