{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to supply chain traceability?","a":"Data uploading to the blockchain: Enterprises involved in each link of the supply chain upload  relevant data (such as raw material procurement, production processes, warehousing and logistics, sales, etc.) to the blockchain network to ensure the authenticity and reliability of the data."}]}],"pr":"1e7b190afd3ad6ffd7f48c3686dab027f056608017678be0a9f53df53dfcd1f3"}