Ecoark (NASDAQ:ZEST) said Friday it terminated the deal for HUMBL to acquire its ~89% owned unit Agora Digital.The parties were unable to agree on key terms required to close the deal and so, they mutually agreed to scrap it.Agora Digital plans to exit the bitcoin mining industry and will focus on being a power-centric hosting company of digital asset mining machines through its power contracts in Texas and other potential jurisdictions.The unit will work to source power through additional opportunities, including excess oil well flare gas.Agora Digital ceased mining operations in Mar. as the bitcoin market softened, put its IPO plans on hold, and divested all its bitcoin holdings this month.