Secure payment without leaving a trace

Whether paying for public transport via a smartphone app or whether using a prepaid card for the public swimming pool, many people open ‘electronic purses’ every day. However, most of them are not aware of the fact that by doing so, they largely lose privacy. Researchers have now developed a secure and anonymous system for daily use.

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Story added 25. October 2017, content source with full text you can find at link above.