{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to digital copyright protection?","a":"Decentralized storage: Blockchain adopts distributed node storage data, avoiding the security risks and tampering possibilities brought by centralized storage. Through decentralized storage, copyright information can be more  securely and reliably stored and managed."}]}],"pr":"81d138833c509641666a8e0099d49eb7f81e722773b5d77de16845de84eea2d0"}