{"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":"cc0640d6921ddc89d967e07d64148a311cafc84d1249dc5622813d8b482dae21"}