UK-based crypto research startup Elliptic raises $23m Series B led by SBI Holdings

Sebastian Kastner, lead engineer at HydroMiner GmbH, handles cable connections between cryptocurrency mining rigs on racks at the company's mining facility near Waidhofen an der Ybbs, Austria, on Friday, Jan. 19, 2018. HydroMiner, the Austrian cryptocurrency miner that mines bitcoins with green energy, is weighing an initial public offering to fund an expansion outside its home country. Photographer: Akos Stiller/Bloomberg