{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the features of blockchain in terms of music copyright protection?","a":"Transparency: All transaction records on the blockchain are public, making music copyright ownership and transaction information more transparent. This can help  prevent unauthorized use of music and promote the healthy development of the music industry."}]}],"pr":"276e9b6ba04333e5bc6e9211d501f2445a4c19519889d4af4cdbbbed5bafd3ae"}