{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the reliability and consistency of transactions?","a":"Data immutability: Each block contains multiple transaction records and the hash value of the previous block, forming a chain structure. Once transaction data is recorded on the blockchain, it cannot be altered or deleted without altering the subsequent blocks. This ensures the consistency and  reliability of the transaction data."}]}],"pr":"17c38df5f5d488ee86d6c43f8cd1982a9e17c9845f2f738c31d2daaba3bef22b"}