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AI-generatedNano node RPC bind address and control interface exposure
Nano node RPC interface exposure must be limited to intended network interfaces to avoid accidental public access to node and wallet operations. The `config-node.toml` file controls the RPC listen address, port, and whether control is enabled. Binding to `0.0.0.0` exposes the interface on all interfaces, while `127.0.0.1` limits it to localhost. Many RPC end
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