{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology protect data privacy?","a":"Immutability of data: Blockchain uses encryption algorithms to ensure that once data is recorded  in a block, it is difficult to modify. This is because"}]}],"pr":"1d4e2608921ca3b0b4b702670415930338c1e52b52c3ddfd023d9fd9a2cf208f"}