{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you send transaction confirmation messages in a blockchain?","a":"Node verification: After the nodes in the blockchain network receive the transaction  information, they use consensus algorithms to verify the transaction, such as checking whether the transaction meets the"}]}],"pr":"b8932e0c83dd1d7bf16ee41fe9011f639038b0971955b7df1526b95bc25915a4"}