{"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":"dec8bfc912081a845fb74dc60f94350a7f30df67209c3185a6b9f0aa8b73305f"}