{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the limitations on the number of nodes in a blockchain?","a":"Server  performance and storage capacity: The number of nodes is constrained by server performance and storage capacity, as each node needs to process and store blockchain data. When server performance and storage capacity are limited, the number of nodes may be somewhat restricted."}]}],"pr":"d5eadba1908f99fa0cfe13b02969638e54a2f4c06db5bd405d21c799feed2fda"}