{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology change the aviation transportation industry?","a":"Optimizing supply chain management: Blockchain technology can improve supply chain transparency, enabling all parties to understand the real-time  status of goods, reducing communication barriers and increasing work efficiency. Through smart contracts, automated and convenient logistics operations and settlement processes can be achieved."}]}],"pr":"52f2e5ba4634ae26a1dc3c99f0a60fa077c026baffb800e0b40d842f64b347f6"}