{"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":"Regular polling: The monitoring system needs to periodically poll each RPC node to check their health status. Based on the  health status, you can ensure that the latest block hash is obtained."}]}],"pr":"fcb4f00d68905019159158fd80226041c250a50f83615847c309bdd26c653a8e"}