{"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":"Collective maintenance: Participants in the  blockchain network jointly maintain the security and stability of the entire network, which helps ensure the accuracy and timely updating of copyright information."}]}],"pr":"60d03dbc524eb6281a142faf6b4bca61280be746913ff2bc06edfb6e53ac8dfc"}