The operator of Japanese cryptocurrency exchange Zaif said Thursday it had lost 6.7 billion yen ($60 million) in digital funds in a hacker attack.Osaka-based Tech Bureau Corp. has suspended deposits and withdrawals after the cache of bitcoin, monacoin and bitcoin cash were stolen last week. Of the total, 4.5 billion yen belonged to users and the rest to the exchange.Tech Bureau said it intends to compensate its users in full. It has asked for 5 billion yen in assistance from a subsidiary of Fisco Ltd. and will become an affiliate of the financial services group.The incident occurred even as…READ FULL ARTICLE