{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the significance of account data in the blockchain for the entire system?","a":"Immutability: Due to the chain structure and  the use of cryptographic algorithms, once the data is recorded in the blockchain, it is very difficult to modify or delete it. This property of immutability makes the blockchain trustworthy and secure"}]}],"pr":"10f3853381f92e89dc98341ba33d826b62bfd14f7df3e81a074fb7457eeeee3a"}