2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217121We present a two-party protocol for quantum gambling, a new task closely related to coin tossing. The protocol allows two remote parties to play a gambling game, such that in a certain limit it becomes a fair game. No unconditionally secure classical method is known to accomplish this task.4 pages, no figures, RevTex; extensively revised; submitted to Physical Review LettersQuantum Physicstext