{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validation nodes in a blockchain execute registration transactions and verify whether they are successful?","a":"Listening to the network: Validation nodes listen to the blockchain network  to receive registration transaction requests sent by other nodes."}]}],"pr":"06063ab0234f4f6ec24076cd455a8df8e7818795b4a23e84fd6fe03c913503d5"}