{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of product traceability?","a":"End-to-end tracking and recording: Perfectly compatible with the supply chain system, providing more support for cargo control. Blockchain records each link in the commodity supply chain process, such as raw materials, processing, quarantine, transportation, inventory, and shelf sales, in chronological order,  forming a complete process record."}]}],"pr":"ac1f4fd720db0dc55524e25315619b8a90dd2b5e4ffc88ab9e9c724686a5135f"}