{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the communication overhead be reduced in a blockchain system with multiple shards?","a":"Employ sharding technology to divide the blockchain network into multiple subnets, each responsible for processing a portion of transactions and states. This allows each node to only focus on transactions within  its subnet, thereby reducing the communication overhead across the entire network."}]}],"pr":"e29c76c4540d429486c0e43e654bbddfc06b45d302937df2050459bcee6179ac"}