{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the optional information for blockchain smart contracts?","a":"Contract address: The unique identifier of a smart contract, used to identify and call the smart contract on the blockchain."}]}],"pr":"fbe308cc898f5f8bc30c6569105b6985913eca7dc03212646af2d33be6c4d6c9"}