2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/32905In this paper, facts existing in different domains are explored, which are comparable by their end result. Properties of various domains and the facts that are part of such a unit are also presented, examples of comparison and methods of usage as means of zero-knowledge protocols are given, finally a zero-knowledge protocol based on afore-mentioned concept is given.5 PagesCryptography and Securitytext