A similar system is already available at the Wir bank [1]. For a short analysis, see [2]. [0] http://wir.ch/ http://wir.ch/ (Their website is not available i

A similar system is already available at the Wir bank [1]. For a short analysis, see [2]. [0] http://wir.ch/ http://wir.ch/ (Their website is not available in english) [1] https://en.wikipedia.org/wiki/WIR_Bank https://en.wikipedia.org/wiki/WIR_Bank [2] https://www.quora.com/How-does-the-WIR-Bank-work https://www.quora.com/How-does-the-WIR-Bank-work