Geometry nodes - Barbed wire

The Curve panel configures the general wire: turn radius, turns frequency, wire thickness, turn offset, and mesh resolution by length and profile.

The Barbs panel has settings for: barb frequency, overall scale, spike length, turns, turn radius, overall length, wire thickness, mesh resolution by profile, and random rotation.

I'll be glad if it may be useful to someone else. Good luck in your projects!