{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain smart contract, how does the logic of executing the query() method work?","a":"Write query logic: Use a smart contract programming language (such as Solidity) to write the query logic,  realizing the selection of data that meets the conditions from the blockchain storage."}]}],"pr":"91b6a755bdd0a2b7bc233a895f9ac4dc99f7cd3d4cd388f5be3de5a332835190"}