{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain address data privacy and security issues?","a":"Data immutability: Blockchain uses encryption algorithms, once data is recorded in a block, it is difficult to tamper with. This is because each block contains the hash value of the previous block, forming a chain structure. To tamper with a block, an attacker would need to modify all the subsequent blocks as well, which is computationally expensive and practically impossible."}]}],"pr":"c39dc92cbcd3975775f72a82f65e0d5d515d964649b5ea654f2a808dd96319dc"}