Laura De Santis Vincenzo Paciello Antonio Pietrosanto Blockchain-Based Infrastructure to enable Trust in IoT environment. 1-6 2020 I2MTC https://doi.org/10.1109/I2MTC43012.2020.9128817 conf/i2mtc/2020 db/conf/i2mtc/i2mtc2020.html#SantisPP20