{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the differences between blockchain and traditional databases?","a":"Immutability of data: Blockchain uses encryption algorithms and consensus mechanisms to ensure the authenticity and integrity of data. Once data is recorded on the blockchain, it is difficult to modify or delete.  In traditional databases, authorized users can modify and delete data."}]}],"pr":"b6ea45c197b62b4d34637bd08396f75756bb47cb80d58f291462b561411bbeb2"}