{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to art trading and copyright protection?","a":"Copyright protection：Blockchain technology can create a unique digital identity for each digital artwork，which can be used to  protect the copyright of the artwork and prevent unauthorized use. Artists can control the usage rights of their works，and buyers can verify the authenticity of the works and obtain clear ownership rights. This ensures the legitimate circulation and appreciation of artworks."}]}],"pr":"5e5d1fe1cda07b548c3f5bc44e59a5ca1cc454f49b30df914844ebd71a9b8436"}