{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the innovations of blockchain technology in copyright protection?","a":"Decentralized storage and verification: Blockchain adopts a distributed  ledger database, and its decentralized feature makes data tamper-proof, providing a reliable foundation for copyright protection. Through blockchain technology, the authenticity and security of copyright information, authorization records, and transaction data can be ensured."}]}],"pr":"f7b396ca30aeb1f15d2b1d24abdd75a8890d90aa95927f77d4d1c2d351e9bbac"}