{"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":"Verifying transaction format: The validation node performs a format check on  the received transaction to ensure that it conforms to the standards specified by the blockchain protocol."}]}],"pr":"34dd6defd1c390f61ac4350289c42db8bda0f46a14d34d10542aeaceb87db3c1"}