{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible paths for blockchain upgrading?","a":"Cross-chain cooperation: Realize  interoperability between different blockchain networks, promoting the collaborative development of various blockchain ecosystems."}]}],"pr":"503a7f669fa2b13b60f8ac067de4d12edaf18d2ce03cc4b9900f92f7d5750f57"}