{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the PoA consensus mechanism in blockchain improve the stability and security of the network?","a":"Selecting reputable nodes as authority nodes: The PoA consensus mechanism selects a portion of reputable and authoritative nodes as authority nodes in the network. These nodes have a high degree of trust in the network, which is beneficial for maintaining network stability and security."}]}],"pr":"8824a29ad19decfcebd920baa15cd1e1389510dd06814a39b115dd57bd73853f"}