Coin Citadel, a digital currency and blockchain investment company, focuses on building, operating, and supporting blockchain technologies. The company engages in cryptocurrency mining activities; and development of exchange and mining pool platforms, as well as investing in the hardware to support and mine digital assets. The company was formerly known as Global New Energy Industries Inc. and changed its name to Coin Citadel in November 2014. Coin Citadel was incorporated in 1986 and is based in Plattsburgh, New York.