Blockchain-Based Securing of Data Exchange in a Power Transmission System Considering Congestion Management and Social Welfare[J] SUSTAINABILITY 2021(13) Dehghani, Moslem Ghiasi, Mohammad Niknam, Taher Kavousi-Fard, Abdollah Shasadeghi, Mokhtar Ghadimi, Noradin Taghizadeh-Hesary, Farhad