{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain's data storage methods?","a":"The unique nature of blockchain technology ensures that each transaction is unique and cannot be tampered with,  preventing counterfeiting and fraud."}]}],"pr":"8dde1e187d9d4122ddb8aa471804c1085cefae05d837ed3ca03bfc07238508c8"}