{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure network security?","a":"Decentralization: The data storage and transaction in blockchain technology are not concentrated in a centralized institution, but are distributed on computers (nodes) around the world. This decentralized feature makes it difficult for hackers to attack and tamper with data, because  there is no single authority that can control the entire network."}]}],"pr":"d20ad09bfe9e116e3e906ad9a22b92b0cbd6729e4875575f5eea990e1257e5ae"}