{"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":"847f7ff4cce7b0b102a6c9bcb7dc3c8849e13db681a2697863368b15c71ddb02"}