There are various DarkNet systems available, for example FreeNet , Retroshare , TOR, Ricochet and GnuNet . These are also known as Friend to Friend networks and creates a Virtual Private Mesh Network between trusted parties. FreeNet is a little different, in that it can operate in two modes - public and private - where the private mode is a true DarkNet . The Onion Router (TOR) is also a kind of public DarkNet proxy service which is very easy to use - do get the TOR Browser package - called Orbot on Android - very handy. With a DarkNet , you can exchange files and chat in complete security - well, as secure as the other endpoints. So if any of the endpoints run an untrustworthy operating system such as MS Windows , then one could argue that the whole circle is probably not secure. Retroshare and other systems like it are not completely Black. With a sniffer, an attacker can glean a little bit of information on who is connected to who, especially wh...
Autonomous planes, trains and cranes...