A virtual world computer process includes portable virtual token objects that can be used by on-line users of the virtual world to facilitate exchange of goods and services within the virtual world. In particular, client-server computer processes are provided for the virtual world that
A computer system including computers interconnected by a network creates a virtual world in which computer users can interact with each other. Each user is represented graphically on computers' displays. Other objects (trees, buildings, and so on) are also represented. Each user can con
