{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain achieve decentralized data storage?","a":"Distributed storage: Blockchain stores data on  multiple nodes, each of which saves the complete blockchain data. This distributed storage method reduces the risk of data loss caused by single-point failures."}]}],"pr":"01dbcb39e8bb55205f45d37969b543f5439ff56c70d65f202fdfd0c2db585263"}