Launch of Aevi Community portal Paderborn, Germany, 2014-11-5— /EPR Retail News/ — Wincor Nixdorf, one of the world’s leading providers of IT solutions to the retail and banking industries, is showcasing its cashless payment solutions portfolio at CARTES Secure Connexions. This new portfolio – Aevi – will revolutionize the world of payments. Wincor Nixdorf's new Cashless Payment Solutions…