Data Privacy Management, Cryptocurrencies and Blockchain Technology ESORICS 2019 International Workshops, DPM 2019 and CBT 2019, Luxembourg, September 26-27, 2019, Proceedings - Pérez-Solà, Cristina; Pérez-Solà, Cristina; Navarro-Arribas, Guillermo; Navarro-Arribas, Guillermo; Biryukov, Alex; Biryukov, Alex; Garcia-Alfaro, Joaquin; Garcia-Alfaro, Joaquin (Springer International Publishing : Imprint: Springer, 2019)