Blockchain guarantees your data's authenticity—not just its accuracy, but also its irreversibility. It can also be used to store data that are difficult to register, like legal contracts, state identifications, or a company's product inventory.
输出必须是 JSON,字段固定:
,详情可参考旺商聊官方下载
Платон Щукин (Редактор отдела «Экономика»)
-analyzeduration 500M \