{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does a blockchain private network simulate a PoA blockchain?","a":"Nodes in the private network start mining blocks according to the  consensus algorithm, and validate the min"}]}],"pr":"2a492146d8aac18adbe886c14d5b08a039afc8490c44ea75c0fc80f52be6777d"}