{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of the economic model of blockchain?","a":"Decentralization: The blockchain economic model  breaks away from traditional centralized control, achieving peer-to-peer transactions and data transmission through a decentralized network structure, reducing the impact of single points of failure, and improving system stability and security."}]}],"pr":"6489293edaf344e27c44dfcb256229813e44c6c65062339a5a1a9654d593d090"}