{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible upgrade paths for blockchain upgrading?","a":"Technological  innovation: Continuously optimize the core technology of blockchain, such as increasing block size, enhancing transaction processing speed, and reducing fees, to improve system performance and efficiency."}]}],"pr":"81e4befb88ef231d947ea82bf8eb2cfdd88f6e548f4fbfc6e4a7432aae771d9d"}