Asynchronous consensus is a key component in distributed systems, particularly in environments where latency and node availability can vary significantly. Unlike synchronous consensus, where nodes must respond in a predetermined time frame, asynchronous consensus allows nodes to communicate and agree on a state or transaction without needing all nodes to participate in real-time. This flexibility helps improve fault tolerance and network resilience, accommodating network partitions, slow nodes, and varying response times. Protocols implementing asynchronous consensus often leverage techniques such as leader election, voting mechanisms, and eventual consistency models.