Bruno Rodrigues, Thomas Bocek, David Hausheer, Andri Lareida, Sina Rafati, Burkhard Stiller: Blockchain-based Architecture for Collaborative DDoS Mitigation using Smart Contracts; 1st ForDigital Blockchain Conference, Karlsruhe, Germany, February 2017, pp 1-4. URL: https://files.ifi.uzh.ch/CSG/staff/rodrigues/extern/publications/cooperativeblockchainddos.pdf.