{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of vote authority in a blockchain?","a":"Node selection: VA nodes have the authority  to select other nodes in the network, which affects the distribution and hierarchy of nodes in the"}]}],"pr":"464596297cdd7e1703808f341c1884f8a1fdef227ed18c084863b11562515ec0"}