{"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 achieve decentralized payment systems, such as Bitcoin payment, reducing transaction costs and improving payment efficiency."}]}],"pr":"c9318d3b5c240e785073366f3b2d018a4c211d1a2b84fc764983e9cb6f88b9f4"}