{"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."}]}],"pr":"1bf170195a3ac17975a6e216266deca2a841d3a49293d5f5998374d22ade09c7"}