{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security features of blockchain technology?","a":"Data Integrity: Using high-redundancy databases to ensure the integrity of information, blocking the modification of  data within the blockchain network."}]}],"pr":"35dbcbce4cf7c6153143cd1fe70e9500da3d06d70b336b9e0c0b31b62c1121f4"}