{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of art trading?","a":"Transaction Record Traceability: Writing each transaction record of the artwork into the blockchain, realizing that the transaction data is tamper-proof  and traceable, making the origin, history, and ownership changes of the artwork transparent."}]}],"pr":"2b37e0a2105d49396edaa5f0f660ddc98ab7476b471f36dfdd5c3c95da08af92"}