James Helm
1 Papers
355 Citations
James Helm is an academic researcher. The author has contributed to research in topics: Payment & Mobile payment. The author has an hindex of 1, co-authored 1 publications.
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Papers
Patent
System and method of facilitating contactless payment transactions across different payment systems using a common mobile device acting as a stored value device
Philippe Staib,James Helm,Thierry Renard +2 more
- 19 Oct 2004
TL;DR: In this paper, a system for facilitating contactless transactions across different contactless payment systems using a common mobile device that acts as a stored value device is provided. But this system is limited to the use of one payment system.
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