{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the problem of increasing storage space for chain state in blockchain node maintenance?","a":"Optimize Data Structure: Use a more compact data structure to  store the chain state, such as employing compression algorithms to reduce data redundancy and improve the utilization of storage space."}]}],"pr":"982c9e6e7748335e913a8d165b6354cb14ae349301960cb7602f58207d4ecaf2"}