{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of supply chain?","a":"Smart contracts: Implementing smart contracts based  on blockchain technology can automate the execution of supply chain"}]}],"pr":"1cd6d9c5be720395bd39b21d9824e2ece9ff8aa7d3c73ddd5e2958f77ccfa363"}