{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain use efficient pruning algorithms to solve the storage cost problem of rapidly growing ledgers?","a":"Determine the trimming cycle: According to the characteristics of the blockchain network, set an appropriate trimming cycle, such as hourly, daily, or weekly. Within the trimming cycle, block header information and transaction data continue  to accumulate."}]}],"pr":"f8f804e4ded1a6f0ce00cb6a11ebace5043c86b7b4a4be88bb3bc6f7c6cc309a"}