{"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":"Send transaction information: Send the signed transaction information to the nodes in the blockchain network for verification."}]}],"pr":"a80d5385acae4987385fe3d16ba152668b867c8200f9ca5d4853bd1c7a3948e6"}