{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the permission settings for storing code and deploying smart contracts in a blockchain?","a":"Permission Control: The permission control of a  smart contract can be achieved by writing specific code. For example, the contract can check the identity or address of the caller to ensure that only participants with specific identities or addresses can access the contract."}]}],"pr":"6d7afe5d61eb77c318e83ca26ecefaf35bc4cb628eb5a3d151907ac6259355ec"}