ZMQ Notifications Bitcoin Core can publish events via ZeroMQ for low-latency, push-based integration. Beats polling RPC for real-time apps. Configuration : Each topic on its own port (or share — but separate is cleaner). Bind address forms: - — local-only. - — all interfaces (firewall it!). - — Unix socket, fast for local. - — same-process only (rarely useful from external client). Topics | Topic | Payload | Notes | |-------|---------|-------| | | full block bytes | At every new tip block. | | | full tx bytes | Mempool admission + block inclusion. | | | 32-byte block hash | Lightweight tip no…