Electrodeposition is the deposition of a substance on an electrode by the action of electricity (especially by electrolysis). As a certain electric current passes though an electrolyte that contains ions of a substance, the ions begin to follow the current and adhere to the negatively charged cathode.
... Felten's freedom-to-tinker Web site for information and pointers.
An early example of a DRM system is the Content Scrambling System (CSS) employed by the DVD ...