{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in the application of digital currency transactions?","a":"Data immutability: Blockchain adopts encryption algorithms to ensure that data in each block cannot be tampered with, thereby ensuring the authenticity and traceability of transaction records."}]}],"pr":"5246bad551f335cc0fa15c513f0bc38f6103963e0a4efed19dc64bb5ac08bbd1"}