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; Navarro-Arribas, Guillermo; Biryukov, Alex; Garcia-Alfaro, Joaquin (Springer, 2019)