{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The initiation path of a blockchain upgrade includes the following steps:","a":"Token economy model optimization: Designing more reasonable and effective  token economy models to stimulate user participation and achieve the development and value of blockchain projects."}]}],"pr":"d4485ba786129d719d18c2d33d8cee76573ae45bb3f21fba05d8b76ce9f61adc"}