{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology achieve 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 security  risks of a single centralized server and ensuring the secure and stable storage of copyright information."}]}],"pr":"de7b187ee8a1cc00755619f85c971160655725196a95d23047453b31417835f3"}