{"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":"6a44ed0d3bb8ab01e51b8073b219f1f356417cd0d5f9851e667a4b06d34e6b44"}