{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the operating principle of smart contracts in blockchain?","a":"Triggering execution: When the  pre-set conditions are met, the smart contract can automatically perform the corresponding actions. For example, when a certain condition is met, the smart contract will automatically execute the relevant actions."}]}],"pr":"1b63795b671a60b9a78d3f509bbb8a17eed69dc326315c19efa599f95df3b02b"}