Bitmain Patents

Patent portfolio assigned to Bitmain (verified via public assignee records). Bitcoin ASIC-miner hardware competitors (MicroBT, Canaan, Ebang, Auradine). Bitmain sells mining rigs to many operators but has no named-customer/case-study page. Patents confirmed via Justia assignee pages for Bitmain Development Pte Ltd and Bitmain Technologies Inc, so has_patents=true; exact count not verified.