Cobalt Blockchain Inc. engages in the exploration and development of mineral properties in the Democratic Republic of the Congo. The company primarily explores for and trades in cobalt, copper, tin, tantalum, and tungsten. It holds a 70% interest in two contiguous concessions that cover an area of 40.8 square kilometers located to the east of Kolwezi; and 80% interest in two contiguous concessions covering an area of 7.6 square kilometers located in Lubumbashi. The company was formerly known as Peat Resources Limited and changed its name to Cobalt Blockchain Inc. in March 2018. Cobalt Blockchain Inc. is headquartered in Toronto, Canada.