{"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":"Information transmission and communication: Nodes communicate with each other through peer-to-peer communication  methods to ensure the decentralized characteristics of the blockchain network."}]}],"pr":"cdb6d1fd2a92d968786c6c76dba6c1e66c1e9ae35c9e01a883587b274604a959"}