{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how can the health status of RPC nodes be monitored?","a":"Response Time Monitoring: Measuring the time from sending a request to receiving a response to ensure that RPC nodes can respond quickly. If the response time is too long, it may indicate a problem with the node."}]}]}