{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the significance of blockchain technology in copyright protection?","a":"Data immutability: Once the data is recorded in blockchain technology, it is difficult to tamper with. This ensures the authenticity and reliability of copyright ownership information, authorization records, and other data."}]}],"pr":"708112859c0572b00d5b6797731d48197464f2135cc14d9fb2e2d4c84f84ecae"}