{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the PoA consensus mechanism in blockchain improve network performance and scalability?","a":"Authority Node Election: The PoA consensus mechanism selects  a portion of authority nodes as network validators. Compared to traditional consensus mechanisms such as Proof of Work (PoW) and Proof of Stake (PoS), the number of authority nodes is fewer, reducing the computational burden and communication complexity within the network."}]}],"pr":"2f3ab1370ecb80b9aa2eba4893ebbda1ffd23fae4303e35992328c66b0ac88a5"}