{"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 that once data is recorded, it cannot be tampered with, thereby ensuring the authenticity and credibility of the data. In traditional databases,  however, authorized users can modify or delete data."}]}],"pr":"8a76281a2e61d5d8437b22d21796b2f6fbffbe90a853ec0d8def7d5e367b95e2"}