{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the efficiency of digital copyright management?","a":"Decentralized storage: Blockchain technology uses distributed nodes to store data, eliminating the need for centralized  servers or institutions, reducing the risk of data loss, and improving data security."}]}],"pr":"e5c6e838f6eddf331004a6ec03c149265d076c7e8946d32f0bc7d560b823c964"}