GlueDevice is a service that lets you authorize electronic transactions via smartphone along with entities with whom you relate. With it, the entity records the terms of the authorization and plays a "music" for your smartphone, it listens and (if addressed to it) "glue" your smartphone with the entity, establishing a secure channel of communication that gives you the chance to approve the request or not, all easy, safe and fast. GlueDevice helps you combat electronic fraud with its innovative technology and excellent usability, you do not need a password to access each entity or password generator devices, with GlueDevice these techniques belong to the past.