{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology play a role in the field of traceability?","a":"Immutability: Blockchain adopts encryption algorithms to ensure that each transaction corresponds to a unique hash value. Any tampering will cause changes to the entire chain's structure, making it difficult to tamper with data on the blockchain. This ensures a high degree of credibility for traceability information on the blockchain.\n\n3."}]}],"pr":"2644df2343c8bb82378d176f284acd74096e386171758411842e09100fda1632"}