{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the distributed storage of blockchain improve data security?","a":"Consensus mechanism: The consensus mechanism in blockchain networks (such as proof of work, proof of stake, etc.) ensures the integrity and consistency of data,  preventing malicious tampering and forgery."}]}],"pr":"02a8d4e03f3fbd14355f9dc0d0b46a49f9382e5130d5626152b9ee1d9ca9ea54"}