Emerging Technologies for Developing Countries. First International EAI Conference, AFRICATEK 2017, Marrakech, Morocco, March 27-28, 2017 Proceedings

Research Article

Porting the Pay with a (Group) Selfie (PGS) Payment System to Crypto Currency

  • @INPROCEEDINGS{10.1007/978-3-319-67837-5_15,
        author={Ernesto Damiani and Perpetus Houngbo and Jo\`{\i}l Hounsou and Rasool Asal and Stelvio Cimato and Fulvio Frati and Dina Shehada and Chan Yeun},
        title={Porting the Pay with a (Group) Selfie (PGS) Payment System to Crypto Currency},
        proceedings={Emerging Technologies for Developing Countries. First International EAI Conference, AFRICATEK 2017, Marrakech, Morocco, March 27-28, 2017 Proceedings},
        proceedings_a={AFRICATEK},
        year={2017},
        month={10},
        keywords={Payment metaphors mobile payment systems Visual Cryptography Trust Crypto currency},
        doi={10.1007/978-3-319-67837-5_15}
    }
    
  • Ernesto Damiani
    Perpetus Houngbo
    Joël Hounsou
    Rasool Asal
    Stelvio Cimato
    Fulvio Frati
    Dina Shehada
    Chan Yeun
    Year: 2017
    Porting the Pay with a (Group) Selfie (PGS) Payment System to Crypto Currency
    AFRICATEK
    Springer
    DOI: 10.1007/978-3-319-67837-5_15
Ernesto Damiani1,*, Perpetus Houngbo2,*, Joël Hounsou2,*, Rasool Asal1,*, Stelvio Cimato3,*, Fulvio Frati3,*, Dina Shehada1,*, Chan Yeun1,*
  • 1: EBTIC-Khalifa University
  • 2: Institut de Mathematique et Science Physique Quartier Avakpa
  • 3: Università degli Studi di Milano
*Contact email: ernesto.damiani@kustar.ac.ae, jacques.houngbo@auriane-etudes.com, joelhoun@gmail.com, rasool.asal@kustar.ac.ae, stelvio.cimato@unimi.it, fulvio.frati@unimi.it, dina.shehada@kustar.ac.ae, cyeun@kustar.ac.ae

Abstract

     (PGS) is a novel payment system developed at Khalifa University in the UAE, and currently under test at the  (IMSP) in Benin. The PGS system uses a  to gather all information items needed to encode a purchase: the seller, the buyer, the service/product and the agreed price. Using Visual Cryptography (VC), the photo is then “digitally ripped” into two shares, one for the buyer and one for the seller. In the current version of PGS, these shares are eventually and independently sent to a Bank that cooperates to offer the digital payment service to population living in rural areas. When the purchases of a buyer at a given seller pass a pre-set threshold, the Bank executes a traditional fund transfer between the two. This way, PGS spreads the Bank’s transfer fee over multiple purchases, decreasing the financial cost of each purchase. This paper discusses the challenges of  the PGS payment system with digital wallets holding a crypto currency, bringing the financial cost of each purchase to zero.