{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts on the blockchain communicate with the application front-end?","a":"onfirmation and execution: The smart contract confirms the transaction request on the blockchain and  executes the corresponding operation according to the predefined conditions."}]}],"pr":"ca57790802ff64d73fe338cd311c408677273004304b0ceb168bba1e5ce85853"}