{"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 systems, such as Bitcoin wallets, reducing  transaction costs and improving payment efficiency."}]}],"pr":"b90b1f0c0d123057865bdd28d322048c22b4792eac73579715dd5222f7848730"}