Which payment systems are mentioned as low value DNS payments worldwide?

The correct response highlights Nacha, Bankgirot, and the Bulk Electronic Payments System, which are recognized as low value deferred net settlement (DNS) payment systems utilized across various regions.

Nacha operates within the United States, facilitating electronic payments through the Automated Clearing House (ACH) network, primarily for low-value transactions. Similarly, Bankgirot is a Swedish payment system that performs DNS processing, especially beneficial for small payments and merchant transactions. The Bulk Electronic Payments System refers to a method used in several countries to process large volumes of low-value payments efficiently, minimizing costs and processing times associated with individual payments.

All of these systems are characterized by their ability to process low-value transactions in bulk rather than individually, which reduces transaction costs and processing time significantly, making them suitable for everyday consumer transactions and business payments.

In contrast, the other choices include options like PayPal, Visa, and MasterCard which are not typically categorized as low value DNS systems. While they facilitate payments, they generally cater more to higher-value or real-time payment solutions, rather than the low-value bulk transactions highlighted in this question.