{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does sharding in blockchain solve the issues of scalability and expandability?","a":"Decentralized processing: Sharding distributes transactions and data across different shards in the network, with each shard independently processing a portion of the transactions. This allows each shard to handle its own transactions separately."}]}]}