{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to solve supply chain management problems?","a":"Data security and traceability: Blockchain technology has the characteristics of being tamper-proof, distributed storage, and collective maintenance, allowing the entire process of supply chain data to be traced once it is uploaded to the  chain. This helps to ensure product quality and safety, and reduces risks."}]}],"pr":"2ab81a3265d3e53dfe593d95535b05e86ab1e664c2bc7123fe1483cc195cc35e"}