WANTED: a theft-deterrent solution for the pervasive computing world

@inproceedings{Droz2000WANTEDAT,
  title={WANTED: a theft-deterrent solution for the pervasive computing world},
  author={Patrick Droz and Ceki G{\"u}lc{\"u} and Robert Haas},
  booktitle={ICCCN},
  year={2000}
}
This paper presents a new theft-deterrent system called WANTED1. The system relies on credits and blacklists, with each protected device periodically requesting new credit in order to continue operating. The main features of WANTED are resistance to attacks, guaranteed privacy, and scalability. The client part is a hybrid system consisting of an untrusted software component and a trusted hardware component. This offers maximum flexibility, while keeping the hardware requirements low.