{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology achieve digital copyright protection?","a":"Data tampering is difficult: The data in the blockchain uses encryption algorithms, and once the data is recorded in the block, it is difficult to tamper with. To modify the data in a certain block, it is necessary to make corresponding modifications in the subsequent blocks, which requires a large amount of computational resources and time. Moreover, the blockchain is designed to grow in both directions, making it even more  difficult to tamper with existing data."}]}],"pr":"1b64dcd6535fbc605c29b6a7481ac800a4131fdaded603975f09c2ef8b96da56"}