{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain achieve decentralized data storage?","a":"Encryption algorithms: Blockchain uses encryption algorithms (such as SHA-256) to encrypt and verify data, ensuring the security of data during transmission and storage. Only nodes possessing the correct  keys can access and modify the data."}]}],"pr":"d9ebd5e1d4f55605f97a0aa554f5fc316d9a510bb57eaa10cd72e532eb1c981f"}