{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why does blockchain need distributed storage?","a":"Data reliability and security: Distributed storage technology distributes  data across multiple nodes in the blockchain, with each node storing complete blockchain data. This distributed characteristic makes it impossible for a single node to tamper with the data, ensuring the authenticity and integrity of the data. Meanwhile, through..."}]}],"pr":"e811c4f51c20c76d2894c3b23281c02ed4641436d1f4ceba73fc2213ac2af489"}