{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the proof and protection of digital content copyright?","a":"Decentralized storage: Blockchain technology adopts a decentralized network  architecture, with data stored on multiple nodes, avoiding the problems that may arise in centralized storage, such as failures and malicious tampering. This ensures the reliability and security of copyright information."}]}],"pr":"a986103b82465201233c12d37928793383b80c7333d5d55b001cdde82e02f3f2"}