Disposable phone numbers and online security
http://wiki.erechim.ifrs.edu.br/mediawiki/index.php/5_Lessons_About_Disposable_Virtual_Phone_Number_You_Can_Learn_From_Superheroes
PVAPins Non Reusable Online Telephone Number is a solution that offers temporary telephone number for confirmation functions. It allows users to get SMS and also voice phone calls without the need for a physical