{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in digital asset transactions?","a":"High security: Blockchain technology has the characteristics of being tamper-proof, ensuring the security and reliability of transaction records, and effectively preventing  fraud and theft."}]}],"pr":"03e9ea8a541a949c764e2103c3c17b6635c70bcd9c6ec309a9d19f161c64d325"}