{"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":"Consensus mechanism: The blockchain economic model adopts  consensus mechanisms (such as proof of work, proof of stake) to ensure the integrity and security of the blockchain, preventing unauthorized modifications and tampering with the blockchain."}]}],"pr":"b29302cacab6596cdfbcf50537a3de82193a4fd84fb78f6ce047256d89727ebd"}