I'll throw in another anonymity network (I2P). Its design is similar to Tor, created in 2003 and is mostly interesting due to some of its properties (tunnel bas

I'll throw in another anonymity network (I2P). Its design is similar to Tor, created in 2003 and is mostly interesting due to some of its properties (tunnel based/garlic routing, everybody-is-a-router, etc). https://en.wikipedia.org/wiki/I2P https://en.wikipedia.org/wiki/I2P