{"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":"Transparency and traceability: Blockchain technology makes the creation, dissemination, and usage process of  music works transparent and traceable."}]}],"pr":"432bc7755077dee07a51440ca7b51109424c63b433715a7eda7d898e392a00db"}