{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of blockchain technology in protecting music copyright?","a":"Unchangeable data: Through encryption algorithms, blockchain technology ensures that the data of every music work is recorded on the blockchain. Once the information is recorded, it cannot be tampered with. This provides reliable  evidence for music copyright protection."}]}],"pr":"53cd2aec6dfda81b23bafed365b950151a67c89f503b0c9bcfe2ba9fee0662f3"}