{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the aspects of blockchain performance optimization?","a":"Reducing cache and storage: Decreasing the amount of cache and  storage used by the blockchain, which can help reduce the storage space required and improve the overall performance of the system."}]}],"pr":"8ec9522f7f1de7cbce155cb5133942a0174c1eb0666fbe36113303900dbdade8"}