Blockchain based decentralized local energy flexibility market[J] ENERGY REPORTS 2021(7) Antal (Pop), Claudia Cioara, Tudor Antal, Marcel Mihailescu, Vlad Mitrea, Dan Anghel, Ionut Salomie, Ioan Raveduto, Giuseppe Bertoncini, Massimo Croce, Vincenzo Bragatto, Tommaso Carere, Federico Bellesini, Francesco