{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the defense strategies for the blockchain network's outer shell?","a":"Smart contracts: Regulating interactions  between nodes through the creation of smart contracts, preventing."}]}],"pr":"0657bc7094fb491f69717030f55751418d309a04491e4f2ae3b320c96bee3824"}