{"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":"Deploying contracts: The deployed smart contracts need to be placed on the blockchain network, which process requires a certain amount of computing resources and corresponding transaction fees. Once the deployment is successful, the contract  can run on the blockchain."}]}],"pr":"1693e3610edfa01fd92461b930137d58fa5728f4fc862d4311aa7a8dd17b0883"}