{"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":"34ba436df7d030ec220e1daab604561d0543938e4a3b49cc87d5ba6012d3623b"}