ソース:[1] Guangzhou Court Rules Cross-Border Virtual Currency ‘Mining Machine’ Purchase Contract Invalid - TechFlow (https://www.techflowpost.com/newsletter/detai ...)[2] Guangzhou Court Deems Overseas Virtual Currency Mining Machine Sales Contract Invalid (https://vertexaisearch.cloud.google.com/groun ...)[3] Bitcoin mining hurts the climate, Chinese court says - Grist.org (https://vertexaisearch.cloud.google.com/groun ...)