
1) Internet forum terminology
Found on
https://www.crosswordclues.com/clue/identicon

An Identicon is a visual representation of a hash value, usually of an IP address, that serves to identify a user of a computer system as a form of avatar while protecting the users` privacy. The original Identicon was a 9-block graphic, and the representation has been extended to other graphic forms by third parties. == Invention == Don Park cam....
Found on
http://en.wikipedia.org/wiki/Identicon
No exact match found.