{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does the deployment of smart contracts in blockchain are subject to permission settings?","a":"Development and deployment permissions of smart contracts:  On some blockchain platforms, the development and deployment of smart contracts need to follow specific"}]}],"pr":"6013872a15c6ef5d2fbaade1a842b05f67f48a9fa1a329a4f358c9af322535bf"}