{"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":"Difficult to tamper with data: Each block contains the hash value of the previous block, forming a chain structure. Once the data in a block is changed, it will cause the hash  value of the subsequent blocks to change, rendering the entire chain invalid. Therefore, if you want to tamper with the data in the blockchain, you need to tamper with it simultaneously."}]}],"pr":"b5c194339e4eea6da291baf732f9816ea847839f0abd6d1410db6cdd29435c60"}