{"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":"c45a67790c0d6a5e999ada07a6a6e08f9e7d1fc5421ceb74d3087cdee3b65ed8"}