{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does implementing smart contracts in blockchain require any fees?","a":"Oracle Fee: If necessary, smart contracts can interact with external data sources through oracles. In this  case, a fee will be charged for the oracle service."}]}],"pr":"966ed37a0bca8f48949017de4b7c59a9aa49facff7539e96059caf2fe709618b"}