{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the format of a digital signature in a transaction?","a":"Private Key: The private key is a confidential key held by the user, used for signing transactions. Only  users who possess the private key can sign transactions."}]}],"pr":"480a0987db9546c3a7a1420286634729fed743e31416f9b5c226620c5c27658e"}