2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/213548Honesty has never been scientifically proved to be the best policy in any case. It is pointed out that only honest person can prevent his dishonest partner to bias the outcome of quantum coin tossing.One of the referees (Phys. Rev. Lett.) observed that manuscript " deserves to be widely read and analyzed". Acknowledgement is dueCryptography and Securitytext