{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the constraints to deploy an application in a blockchain?","a":"Programming languages: When deploying smart contracts, it is usually necessary to master the corresponding programming language, such as Solidity (Ethereum), Go (Fabric), etc."}]}],"pr":"505639a8e4de9c9200f75911586e188dd1e60bc65c28460ff22464c666169931"}