{"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":"Data transparency and traceability: By incorporating waste classification and recycling data into the blockchain, it ensures  the transparency and traceability of the entire process. This prevents fraud and tampering with data, ensuring the accuracy and reliability of waste management efforts."}]}],"pr":"5dfc4130efab7b2cf8151dea0eb1df6e219f91666ec079b99d33726badf9fbe5"}