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Research

Papers

• Reconciling Multiple Objectives -- Politics or Markets?, International Workshop on Security Protocols 2017, SPW25. [PDF] [Blog].

• DigiTally: offline payments [project page]

• Stressing Out: Bitcoin "Stress Testing", 3rd Workshop on Bitcoin and Blockchain Research (2016) [PDF] [Slides]

• Do you believe in Tinker Bell? The social externalities of trust, International Workshop on Security Protocols 2015, SPW23[PDF] [Blog]

Talks

• Can we redesign mobile payments to deal with poor networks and cut transaction fees? public lecture given with Ross Anderson at Strathmore University (Nairobi, Kenya), 29 August 2016. [Slides]
• DigiTally: offline payments at Technology for the Bottom Billion Workshop, 10th June 2016, organised by Centre for Global Equality and Centre for Research in the Arts, Social Sciences and Humanities. [Slides]
• Cryptocurrencies: challenges and caveats at the Alan Turing Institute (ATI) workshop on "Data science for the digital economy: Digital currencies and peer-to-peer economics" which was held at the British Library on 10th December 2015. [Slides]