{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure reliable transaction processing?","a":"Immutable data: Each block contains the hash value of the previous block, forming a chain structure. If the data in a block is altered, it will cause the hash value of subsequent blocks to change, rendering the entire chain invalid. Therefore, if you want to tamper with the data on a blockchain, you would need to tamper with all related blocks simultaneously."}]}],"pr":"b29c04996ae110610bec77266431dcc998416da56c20420e47e144641164c395"}