1. Barbwire and fencing internet co-ops. Offers great decen… Twetch · September 3, 2019 1. Barbwire and fencing internet co-ops. Offers great decentralization, routing potential, and the technology was demonstrated. http://www.sigcon.com/Pubs/edn/SoGoodBarbedWire.htm This is one I would love to work on.