Some 58 billion yen ($534 million) of the cryptocurrency NEM has disappeared from a Japanese exchange due to hacking, the operator said Friday after halting withdrawals and trade of the virtual currency.It eclipsed the 48 billion yen lost on the Mt. Gox bitcoin exchange in Tokyo in 2014, making it one of the largest losses incurred by a virtual currency as a result of fraudulence.Coincheck, the operator of NEM, said it has temporarily restricted the deposit, withdrawal, sales and purchase of NEM as well as withdrawal of other cryptocurrencies and Japanese yen.It said it is looking into how …READ FULL ARTICLE