Relay Nodes
Web3 / infrastructure applications
Relay nodes are blockchain network participants that facilitate communication and data transmission between other nodes, particularly connecting block-producing nodes to the broader network. They maintain copies of the blockchain and relay newly validated blocks and transactions to other nodes, ensuring information propagates quickly throughout the distributed network. Relay nodes do not produce blocks themselves but serve critical infrastructure roles by reducing network latency and improving overall connectivity. They are essential for maintaining network resilience, as they provide alternative pathways for data to reach all participants, preventing single points of failure. Example: In Cardano's network architecture, relay nodes connect block-producing stake pool nodes to the main network and other peers, ensuring blocks and transactions spread efficiently across the distributed system. Why it matters for blockchain infrastructure: Relay nodes reduce latency, improve network robustness, and ensure decentralization by preventing block producers from needing direct connections to every peer, making networks more scalable and resilient.
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