IPchain: Securing IP Prefix Allocation and Delegation with Blockchain. - Jordi Paillisse; Miquel Ferriol; Eric Garcia; Hamid Latif; Carlos Piris; Albert Lopez-Bresco; Brenden Kuerbis; Alberto Rodríguez-Natal; Vina Ermagan; Fabio Maino; Albert Cabellos (iThings/GreenCom/CPSCom/SmartData, 2018)