5 research outputs found

    Optimistic Fair-Exchange with Anonymity for Bitcoin Users

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    Philanthropy on the Blockchain

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    Part 1: Security in Emerging SystemsInternational audienceOne of the significant innovations that came out of Bitcoin is the blockchain technology. This paper explores how the blockchain can be leveraged in the philanthropic sector, through charitable donation services in fiat currency or Bitcoin via a web-based donor platform. The philanthropic model is then used for a case study providing humanitarian aid for a community living in a challenging geographical environment with limited internet availability. An SMS based mobile payment system is proposed for provisioning the received donations using the existing GSM network, very basic mobile phones and One Time Password (OTP) security tokens. The proposed scheme is finally evaluated for security while discussing the impact it has on charities and donors

    Enhancing EMV Online PIN Verification

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    Extending EMV Tokenised Payments To Offline-Environments

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