{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do lightweight clients ensure security in a blockchain?","a":"Data synchronization: Lightweight clients ensure data synchronization with full node clients to obtain the complete transaction history and block information in the blockchain network. This ensures that lightweight clients have  the same data source as full node clients, thereby improving security."}]}],"pr":"661707df9822b3267178e70fb483e9f3d1ba7c09fc013f96dcdbab0c6cd9dc77"}