{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to digital copyright protection?","a":"Timestamp technology: Blockchain technology provides a time stamp for each transaction, ensuring the timestamp of the copyright information. This feature makes it easier to trace  the ownership and usage history of copyrighted works, thereby safeguarding the rights and interests of rights holders."}]}],"pr":"d25980316d3bfe19bec81cf2dff9cf491df20254db4e1298c7d1146110fb70dd"}