{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The implementation of blockchain requires satisfying what conditions?","a":"Distributed data storage: The data in the blockchain system needs  to be distributedly stored through multiple nodes to ensure the security and consistency of the data."}]}],"pr":"f6761adaea7fdf8a02d817367ef16434a383a420dbf59d8f89a2d02b58d269cd"}