{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data security?","a":"Decentralization: Blockchain uses a distributed node consensus mechanism, where data is not stored and managed on a central node but is distributed across multiple nodes throughout the network, reducing the risk of single-point failures."}]}],"pr":"c15138b6d6e76bcb874d509ad504dec3ae12f32d9bba4266b6e1ecc031eff56a"}