{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the DAG mining protocol in blockchain defined for observing the block DAG observed by the nodes?","a":"Nodes receive block information sent from other nodes through the blockchain client. This block information includes two parts:  block header (header) and block body (body)."}]}],"pr":"cdfa6bcf104026bd37f96200fc4b5f4b4a1a084aee96573223017caa21e81218"}