Final 12 months, miners have been clamoring to signal advance contracts with Bitmain and its friends, MicroBT and Canaan, as a bull market despatched the bitcoin value to a document excessive, driving up manufacturing. Demand has since slowed and the value of rigs has dropped from a mean of $68/TH on Jan. 1 to $20.8/TH on Sept. 20, Luxor Applied sciences knowledge present.