 Vancouver, British Columbia--Newsfile Corp. - September 21, 2021 - HIVE Blockchain Technologies Ltd. TSXV: HIVE NASDAQ: HIVE FSE: HBF the Company or HIVE announces that management will host a webcast on Friday, September 24, 2021, at 10:00 a.m. Eastern Time to discuss the Companys financial results for the year ended March 31, 2021.Financial data for the year will be released prior to the webcast. We urge investors to sign up today and participate in... 