{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to monitor the health of RPC nodes in real-time to ensure obtaining the latest block hash?","a":"Integrate RPC interfaces: Integrate an  interface on each RPC node for reporting health status. This interface can return the online status, block synchronization status, and other key indicators."}]}],"pr":"fbe9dd6f3237191d587b2e4bc85c76a69c5bc567c87c426224f034dbbc8da93c"}