Re:Patent trolls are shaking us down for selling “rubies” in...
by sologoub on Friday March 02, 2018 @08:56PM
(#16507379)
Ultima Online launched in 1997, but development goes back way before that. A core part of the game economy was gold that could be used for trade between players, as well as NPCs (non-player characters).
https://en.m.wikipedia.org/wiki/Ultima_Online