If an account is compromised, a dissimilar identicon will be formed as the attacker is posting from an unfamiliar IP address.
GIF avatars were introduced as early as 1990 in the Imagi Nation Network (also known as Sierra On-Line) game and chat hybrid.
In Norman Spinrad's novel Songs from the Stars (1980), the term avatar is used in a description of a computer generated virtual experience.
In the story, humans receive messages from an alien galactic network that wishes to share knowledge and experience with other advanced civilizations through "songs".
The particular vision of the Metaverse as expressed in this novel originated from idle discussion between me and Jaime (Captain Bandwidth) Taaffe...
The words avatar (in the sense used here) and Metaverse are my inventions, which I came up with when I decided that existing words (such as virtual reality) were simply too awkward to use...after the first publication of Snow Crash, I learned that the term avatar has actually been in use for a number of years as part of a virtual reality system called Habitat..addition to avatars, Habitat includes many of the basic features of the Metaverse as described in this book.
In 1997, Cybertown first introduced three dimensional avatars to internet chat.
In the cases where registration has occurred, the identicon serves as a means to associate a particular user with a particular geometric representation.The traditional avatar system used on most Internet forums is a small (80x80 to 100x100 pixels, for example) square-shaped area close to the user's forum post, where the avatar is placed in order for other users to easily identify who has written the post without having to read their username.Some forums allow the user to upload an avatar image that may have been designed by the user or acquired from elsewhere.Social status within the Metaverse was often based on the quality of a user's avatar, as a highly detailed avatar showed that the user was a skilled hacker and programmer while the less talented would buy off-the-shelf models in the same manner a beginner would today.Stephenson wrote in the "Acknowledgments" to Snow Crash: The idea of a "virtual reality" such as the Metaverse is by now widespread in the computer-graphics community and is being used in a number of different ways.