Closed-loop transit payment systems, where riders prepay for a proprietary paper or plastic card, typically loaded at a kiosk, are falling out of favor around the world. Replacing them are open-loop systems that use general purpose contactless payment cards and mobile wallets. Open-loop payments offer transit operators cost benefits and riders the convenience of interoperability between transit systems. They also help transit operators accept payments for drinks, meals and other goods and services. Discover Global Network has expanded the payment functionality of its EMV-compliant D-P...