{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts in blockchain?","a":"Immutable: Data and  smart contracts on the blockchain are impossible to tamper with, ensuring the integrity and security of the system.\n\n..."}]}],"pr":"7a36d418e4aaa4a913527c14af988619f5dea9b050f0adb5e0739d19c0e4455e"}