{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the efficiency and fairness of trading patterns in the energy market?","a":"Decentralized transactions: Through the decentralized feature of blockchain technology, energy supply contracts can be directly transmitted, making transactions between producers and  consumers more direct and transparent, and reducing transaction costs."}]}],"pr":"d23d56679726b229b7b0f1ed2bb42421ebe559d640b83d0fe4fdb6d1e36cfb85"}