{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can communication overhead be reduced in a blockchain network due to sharding?","a":"Optimize sharding strategy: Reasonably plan the number and boundary of shards  to avoid unnecessary data transmission. For example, categorize data based on the type and frequency of transactions, and assign similar transactions to the same shard to reduce cross-shard communication."}]}],"pr":"139a31505960321d1a0f31fd504e073c94e8136106125d31994bd02a38e0dff5"}