{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve data security and privacy protection?","a":"Consensus mechanism: Blockchain networks operate with a consensus  mechanism that ensures the integrity of the data. Each node in the network verifies the transactions and agrees on"}]}],"pr":"9ec23d14e13cde3b49be93fec069f44b08c6d87ce917bc6eacb9deaef692e13a"}