{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the technical principles of private blockchain networks?","a":"Distributed Data Storage: Each node  in the private network jointly maintains a decentralized database, where data is distributedally stored across the network, ensuring data security and reliability."}]}],"pr":"81263c937a14481f487541a2511d7be31afb56108705e1354b52bf700d59d118"}