{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology achieve sharding?","a":"For each shard, establish specific consensus mechanisms and validation nodes. Transaction data is processed and verified within each shard, and only during the consensus phase does it require interaction and verification across the entire  blockchain network."}]}],"pr":"c1a9f5883ec1cda3f40cc5c71731b80c8d6a95076451d5e3fdfdc280faa45323"}