{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the proposal status updated in a blockchain?","a":"Node mining: Nodes (miners) in the blockchain network compete for  accounting rights by solving complex mathematical problems. This process is called mining, and upon successful mining, nodes receive corresponding rewards."}]}],"pr":"b6b5a01f194144fec4cb4046c86a359b63020236051eeee037812da6317a13f9"}