{"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":"267a6637871c8b697960403e92dc4fbf51f47565b8332b2aa0973e494fd0ba1e"}