{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What problems can blockchain technology solve?","a":"Supply chain management: Blockchain technology can solve the trust issue in supply chains, achieve transparency in all links of the supply  chain, and ensure the authenticity and reliability of information related to product origin, logistics process, and quality control."}]}],"pr":"6db3ceaa8fb38b30678a70a31a0bbcea307d53f3410f47be648cdc0e4791123f"}