{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can distributed exchanges attract more traders?","a":"Introduce promotional policies and security  measures: For example, provide new users with a certain period of fee-free trading to encourage more users to participate in transactions. Meanwhile, establish a strong risk management system to protect users' assets and prevent fraud."}]}],"pr":"da5bb3c608192aa95cfb5d03fb85c3a620b9102d09e9948324964ddec507e152"}