{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus protocols in blockchains ensure the normal operation of nodes?","a":"Electing lead nodes: Consensus protocols  can elect one or more lead nodes (such as the master node in the Byzantine fault tolerance algorithm) responsible for coordinating and guiding the behavior of other nodes. Lead nodes generate and broadcast blocks according to certain rules, while other nodes are responsible for verifying the correctness of these blocks."}]}],"pr":"473c250279cdea48513f34181a7e483bbf488e1aa657c0141a9a06b60fff67e2"}