{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the efficiency of copyright protection?","a":"Data cannot be tampered  with: Blockchain adopts encryption algorithms to ensure that once data is recorded in a block, it is difficult to tamper with. This provides reliable evidence for copyright protection, helps resolve copyright disputes, and ensures the rights of original creators."}]}],"pr":"43bf7f7798045cb669b0d2072db51fb2c0f44361f4678df78d6ea4326c94e9c7"}