{"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":"Batch Processing Requests: Combine multiple polling requests into a single request, reducing the number of times the server  needs to process, and improving efficiency. For example, the client can obtain data for a certain period of time at once, without needing to request real-time data every time."}]}],"pr":"7750503ec7627bd37fb5cd68c3bbb036d4cea69e3e24b9f03ee53b79f847cbc5"}