{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the legitimacy of digital copyright?","a":"Data immutability: Blockchain uses encryption algorithms, which make it difficult to tamper with data once it is recorded in a block. This ensures the authenticity and integrity of  digital copyright information, helping to prevent infringement activities."}]}],"pr":"2d082b771712dc93823a0a01eacba0b97b800921358efb69915dba996e7cd878"}