{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the trust issue in waste classification and recycling?","a":"Establishment of multi-party collaboration mechanism: Blockchain technology is naturally suitable for multi-party collaboration scenarios. It can integrate different entities such as governments, enterprises, and residents into  a common system, achieving information sharing and collaborative work. This helps to improve the efficiency of waste classification and recycling, reduce operating costs, and ensure that participants in each link follow the same rules."}]}],"pr":"f1169b6ed884eca66d0eaf6f12d37e0b53cd188380c41fff2eeb1f570eb655f6"}