{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the format of the message?","a":"Encryption and Signature: To ensure the security of messages, encryption and signature processing can be performed  on messages to ensure the authenticity and integrity of the message."}]}],"pr":"c695da6744f06a31abc5edfea0613c47f76e06b89f7710976e712bbd5d2b928c"}