{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of digital copyright protection?","a":"Data immutability: Blockchain technology ensures that once the data is recorded in the block, it is difficult to tamper  with through encryption algorithms. This attribute makes blockchain technology an effective means of tracing infringement in digital copyright protection."}]}],"pr":"bf6dc247f77b8f71446d09ef7a8abc89c4ac844b36b3388ef0ceae5f878ec5de"}