{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the basic functions of smart contracts in blockchain?","a":"Automation: Smart contracts  can automatically execute the contract content according to the pre-set conditions, without manual intervention, improving transaction efficiency and reducing labor costs."}]}],"pr":"9f0648df6b5bb0730aa0003daca2f60752e2b785636341806b25b4af6a2ba666"}