{"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":"ea9144ade6e91976a138d4dfca3209da19a5777a49369c318b09d7e6c4553067"}