{"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 wallets, reducing transaction costs and improving payment efficiency."}]}],"pr":"d66fc0413f1e152eb02f8c4e5c426cf789ed6283e7dcc80f56b33d3bb5e7e448"}