{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the execution of smart contracts implemented in blockchain?","a":"Record and verify: After the execution of the smart contract, the blockchain will  record the results and verify the legality of"}]}],"pr":"df7b41fdb50526ed3b7f8471cac3cb6b465469d2915e254a13ca3fa54d1a869d"}