{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address the issues of network performance and scalability?","a":"Sharding technology: By dividing the data in the blockchain network, the data processing and validation tasks are distributed across different nodes, thereby improving  network performance and scalability."}]}],"pr":"a78a65681302fa9f1f4585c0b4d1f765c53ff4dd8949f83c860aee0677ff01b9"}