A digital currency company announced the closure of its Montana data center and the initiation of bankruptcy proceedings. Toronto-based HyperBlock Inc. announced that its 20-megawatt data center has closed and the company's cryptocurrency mining operations have ceased, The Missoulian reported Monday. Cryptocurrency is a digital currency that can be traded online anonymously, and the value of a unit such as Bitcoin can increase or decrease as investors buy in or cash out. HyperBlock leased a warehouse in Bonner, 7 miles (11 kilometers) east of Missoula. The company announced to shareholders May 13 that the Bitcoin ... (full story)