PININ: increasing customer awareness through an innovative IoT and blockchain-based high quality food product tracking system[C] 2022 IEEE/WIC/ACM INTERNATIONAL JOINT CONFERENCE ON WEB INTELLIGENCE AND INTELLIGENT AGENT TECHNOLOGY, WI-IAT 2022 Cena, Federica Schifanella, Claudio Toroa, Cristina Martiano, Valeria Bruschi, Oscar Cobetto, Valentina Anrbrosini, Serena