Japanese cryptocurrency exchange DMM Bitcoin Co. said Monday it will go out of business after losing 48.2 billion yen ($320 million) worth of digital assets in an unauthorized leak late May.The exchange will transfer its customer assets to SBI VC Trade Co., its peer under financial giant SBI Holdings Inc., by around March next year, it said.The company, a unit of major IT firm DMM.com LLC, suspended some of its services, such as screening applications for new accounts, after it detected an unauthorized leakage of funds on May 31.DMM Bitcoin said it decided to close down because it judged pr…READ FULL ARTICLE