{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the scale expansion strategies for blockchain?","a":"Vertical expansion: By enhancing the processing capabilities of individual nodes, such as upgrading hardware, optimizing software performance, etc., the transaction processing  speed and throughput of the blockchain system are increased."}]}],"pr":"b286820e7f6ddc80dcb7ce487b1b6c2a17876e2ee94b52ca4cf88eacc608b01a"}