{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What problems does blockchain technology solve?","a":"Decentralization: Blockchain adopts a distributed network architecture, and the data does not depend on a central node for storage and management, thereby  reducing the risk of single-point failure and improving the stability and security of the system."}]}],"pr":"cb4a23212e72dae789eba343237294054f5d4c82b1a05d4c40553e6dbf47c67c"}