{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain?","a":"Payment, clearing, and  settlement: Blockchain technology can enable decentralized payment methods, such as cryptocurrencies like Bitcoin, reducing transaction costs and improving payment efficiency."}]}],"pr":"b6bb8950ff8b45712d42f58f6ebebdcbfc9d86458d088f270bc5244c2deb0c81"}