Lightning Gossip (BOLT 7) LN nodes gossip about themselves and channels so the network can build a routing graph. Each node maintains a local copy. Messages (256) Announces a public channel between two nodes: Bitcoin signatures prove ownership of the funding outpoint. Without those, anyone could forge announcements. (257) Node metadata: Newer timestamps replace older for same node id. (258) Per-direction routing policy: Two s per channel (one per direction). Latest timestamp wins; older replaced. Validation For : - Verify both node sigs and both Bitcoin sigs. - Verify the funding output exist…