{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the data storage issue in blockchain be solved?","a":"Decentralized storage: Blockchain adopts a decentralized network architecture, with data stored on multiple nodes rather than a single server. This distributed storage method can enhance data security and prevent  data loss caused by single-node failures or malicious attacks."}]}],"pr":"64c7272615db271101c7075c337ee01f9ed01fcb21b039d5950d3a7963844983"}