{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be used in energy trading?","a":"Data transparency and security: Blockchain technology can ensure the authenticity, integrity, and security of transaction data. In a blockchain system, each transaction record will be stamped with a timestamp  and mutually associated with other transaction records, forming a"}]}],"pr":"bbaaad3b0466e6f2fbe6fce5a7967f40fd09e6d82bcb0d2ab41d90bd6030bda9"}