{"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":"Immutability: Once data is recorded on the blockchain, it cannot be tampered with or  deleted, providing a reliable and tamper-proof data storage solution."}]}],"pr":"aa0c587485bfb72ffd2263e500aa79a274212fd01fec74b715f0aa53521a762b"}