{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does etcd ensure the security of communication between nodes and the reliability of data storage in a blockchain?","a":"Data consistency:  etcd ensures data consistency by implementing a distributed consensus algorithm, such as Raft, to maintain a consistent state across all nodes."}]}],"pr":"4ef43bf59252da1b24cbc58efe7effba7618c7c2bd9b237228b04d9c3c58394a"}