{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do RPC nodes in a blockchain handle frequent polling requests?","a":"Cache Responses: Store the responses of frequently accessed or recent requests in a  cache, allowing for faster retrieval and reducing the load on the server."}]}],"pr":"06edecab7310eadda0ca390ea15162b4d19741141071d615fa698c8999a0cd39"}