{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of nodes in a blockchain network?","a":"Network communication: Nodes communicate with each other through peer-to-peer (P2P) communication  protocols to exchange information."}]}],"pr":"358f87777121416897a556f7b960452d9ce4d670cddf6f4032159e2e926e1e6c"}