{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the management of traceability chains?","a":"Data immutability: Blockchain technology uses encryption algorithms and timestamp technology to ensure that data records cannot be tampered with or forged. In traceability chain management, this feature helps to ensure the authenticity and integrity  of product information, thereby increasing consumer confidence."}]}],"pr":"8c66c2a8d1f1d50033151c1124b62ddfaf27732c579b3a21b7d3f911da75017d"}