US Bitcoin mining operations are facing significant delays after the Customs and Border Protection (CBP) agency held shipments of Bitmain Antminer devices at multiple ports of entry, Blockspace reported on Nov. 25. The detained equipment includes Bitmain’s S21 and T21 application-specific integrated circuits (ASICs), which are essential for Bitcoin mining. Several mining companies have reported … Continue reading US Bitcoin miners face delays as customs hold Bitmain shipments over sanctions concerns