{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the constants in blockchain technology?","a":"Decentralization: Blockchain technology replaces the traditional centralized control mode with a decentralized network structure, enabling the entire system not to depend on a single node, thus enhancing the stability and  resistance to attacks of the system."}]}],"pr":"451362ba1955a75fb0da83866a46ca99ae06e80644f0590755a289d29bf67505"}