{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the technical challenges that large-scale blockchain systems may face?","a":"Performance  and scalability: As the blockchain grows, the demand for data volume and transaction speed increases. Large cycles may face performance issues when handling these demands. To overcome this challenge, developers need to deeply optimize the code, use asynchronous technologies, and introduce sharding techniques to improve system performance and concurrency."}]}],"pr":"baa74046923b517b25ae8aeb782aea16a88759dcbf22213a9d230bbf6d75c1ec"}